The first day of a Hebrew month can coincide with the first day of a Gregorian month. Depending on the time span chosen, the level of coincidences can reach approximately 40%.
Three is the largest number of Hebrew months in any year whose first days can coincide with the first days of their corresponding Gregorian months.
The following shows all of the years between 5755H (1995g) and 5779H (2019g) in which at least one Hebrew month will have its first day coincide with the first day of its corresponding Gregorian month.
5755H (1995g) Adar-Feb Nisan-Apr Iyar-May
5758H (1997g) Heshvan-Nov
5760H (2000g) Elul-Sep
5763H (2003g) Sivan-Jun Tammuz-Jul
5766H (2006g) Tevet-Jan Adar-Mar
5768H (2008g) Elul-Sep
5771H (2011g) Av-Aug
5774H (2014g) Adar-Feb Nisan-Apr Iyar-May
5777H (2016g) Kislev-Dec
5779H (2019g) Elul-Sep
The last time that 3 Hebrew months in one year had a first day match with their corresponding Gregorian months was in 5755H (1995g). The next time this will happen will be in 5774H (2014g).
A quick examination of the above table will show that these coincidences do not occur on a regular 19 year cycle basis. The Heshvan-Nov coincidence of 5758H (1997g) does not correspond to the Kislev-Dec match of 5777H (2016g), which is 19 years later.
The 1500 year span 5261H (1500g) to 6760H (2999g) has been selected to demonstrate these Hebrew-Gregorian coincidences for all of the following tables.
Over the 1500 year period beginning with 5261H (1500g) and ending with 6760H (2999g), 429 Hebrew years will see at least one of their months share a first day with their Gregorian counterpart. The table below shows the actual years for these coincidences.
5261H (1501g) v'Adar-Mar
5264H (1503g) Tishrei-Oct
5266H (1506g) Av-Aug
5269H (1509g) Adar-Feb Nisan-Apr Iyar-May
5272H (1511g) Kislev-Dec
5275H (1514g) Tishrei-Oct
5277H (1517g) Sivan-Jun Tammuz-Jul
5280H (1520g) Shevat-Jan v'Adar-Mar
5283H (1522g) Heshvan-Nov
5288H (1528g) Adar-Feb
5291H (1530g) Heshvan-Nov Kislev-Dec
5293H (1533g) Elul-Sep
5299H (1539g) v'Adar-Mar
5302H (1541g) Heshvan-Nov
5307H (1547g) Adar-Feb Nisan-Apr Iyar-May
5310H (1549g) Kislev-Dec
5312H (1552g) Av-Aug
5318H (1558g) v'Adar-Mar
5321H (1560g) Tishrei-Oct
5326H (1566g) Shevat-Jan
5329H (1568g) Kislev-Dec
5331H (1571g) Elul-Sep
5337H (1576g) Tevet-Dec
5340H (1579g) Tishrei-Oct
5342H (1582g) Sivan-Jun Tammuz-Jul
5345H (1585g) Shevat-Jan
5348H (1588g) Tevet-Jan
5350H (1590g) Av-Aug
5353H (1593g) Sivan-Jun Tammuz-Jul
5356H (1596g) Shevat-Jan v'Adar-Mar
5359H (1598g) Tishrei-Oct
5361H (1601g) Sivan-Jun Tammuz-Jul
5364H (1604g) Nisan-Apr Iyar-May
5367H (1606g) Heshvan-Nov Kislev-Dec
5369H (1609g) Av-Aug
5372H (1612g) Sivan-Jun Tammuz-Jul
5375H (1615g) Shevat-Jan
5377H (1617g) Elul-Sep
5383H (1623g) Adar-Feb Nisan-Apr Iyar-May
5386H (1625g) Heshvan-Nov
5391H (1631g) Sivan-Jun Tammuz-Jul
5394H (1634g) v'Adar-Mar
5396H (1636g) Elul-Sep
5399H (1639g) Av-Aug
5402H (1642g) Adar-Feb Nisan-Apr Iyar-May
5405H (1644g) Tishrei-Oct
5407H (1647g) Elul-Sep
5413H (1652g) Kislev-Nov Tevet-Dec
5416H (1655g) Heshvan-Nov
5421H (1661g) Shevat-Jan
5424H (1663g) Heshvan-Nov
5426H (1666g) Elul-Sep
5435H (1674g) Tishrei-Oct
5437H (1677g) Sivan-Jun Tammuz-Jul
5440H (1680g) Adar-Feb
5443H (1682g) Kislev-Dec
5445H (1685g) Av-Aug
5448H (1688g) Nisan-Apr Iyar-May
5451H (1691g) Shevat-Jan
5454H (1693g) Tishrei-Oct
5456H (1696g) Sivan-Jun Tammuz-Jul
5459H (1699g) Shevat-Jan
5462H (1702g) Tevet-Jan Adar-Mar
5464H (1704g) Av-Aug
5467H (1707g) Sivan-Jun Tammuz-Jul
5470H (1710g) Adar-Feb Nisan-Apr Iyar-May
5473H (1712g) Tishrei-Oct
5481H (1720g) Kislev-Dec
5483H (1723g) Elul-Sep
5489H (1729g) Shevat-Jan
5492H (1731g) Tishrei-Oct
5500H (1740g) Tevet-Jan
5502H (1742g) Av-Aug
5505H (1745g) Sivan-Jun Tammuz-Jul
5508H (1748g) Shevat-Jan v'Adar-Mar
5511H (1750g) Tishrei-Oct
5513H (1753g) Av-Aug
5516H (1756g) Nisan-Apr Iyar-May
5519H (1758g) Kislev-Dec
5521H (1761g) Av-Aug
5524H (1764g) Sivan-Jun Tammuz-Jul
5527H (1767g) Shevat-Jan
5530H (1769g) Heshvan-Nov
5535H (1775g) Adar-Feb Nisan-Apr Iyar-May
5538H (1777g) Heshvan-Nov Kislev-Dec
5540H (1780g) Elul-Sep
5543H (1783g) Sivan-Jun Tammuz-Jul
5546H (1786g) v'Adar-Mar
5549H (1788g) Heshvan-Nov
5551H (1791g) Av-Aug
5554H (1794g) Adar-Feb Nisan-Apr Iyar-May
5557H (1796g) Kislev-Dec
5559H (1799g) Elul-Sep
5562H (1802g) Sivan-Jun Tammuz-Jul
5565H (1805g) Shevat-Jan
5568H (1808g) Tevet-Jan
5570H (1810g) Av-Aug
5573H (1813g) Adar-Feb Nisan-Apr Iyar-May
5576H (1816g) Adar-Mar
5579H (1818g) Tishrei-Oct
5581H (1821g) Sivan-Jun Tammuz-Jul
5584H (1824g) Shevat-Jan v'Adar-Mar
5587H (1826g) Heshvan-Nov Kislev-Dec
5592H (1832g) Nisan-Apr Iyar-May
5597H (1837g) Elul-Sep
5603H (1843g) Adar-Feb Nisan-Apr Iyar-May
5606H (1845g) Heshvan-Nov
5611H (1851g) Sivan-Jun Tammuz-Jul
5614H (1854g) Tevet-Jan Adar-Mar
5616H (1856g) Elul-Sep
5619H (1859g) Av-Aug
5622H (1862g) Adar-Feb Nisan-Apr Iyar-May
5625H (1864g) Tishrei-Oct
5627H (1867g) Elul-Sep
5633H (1872g) Kislev-Dec
5635H (1875g) Elul-Sep
5641H (1881g) Shevat-Jan
5644H (1883g) Heshvan-Nov
5646H (1886g) Elul-Sep
5652H (1892g) Tevet-Jan
5655H (1894g) Tishrei-Oct
5657H (1897g) Sivan-Jun Tammuz-Jul
5660H (1900g) Shevat-Jan
5663H (1902g) Heshvan-Nov Kislev-Dec
5665H (1905g) Elul-Sep
5671H (1911g) Tevet-Jan Adar-Mar
5674H (1913g) Heshvan-Nov
5679H (1919g) Adar-Feb Nisan-Apr Iyar-May
5682H (1922g) Tevet-Jan Adar-Mar
5684H (1924g) Av-Aug
5687H (1927g) Sivan-Jun Tammuz-Jul
5690H (1930g) Tevet-Jan Adar-Mar
5693H (1932g) Tishrei-Oct
5701H (1940g) Kislev-Dec
5703H (1943g) Elul-Sep
5712H (1951g) Tishrei-Oct
5720H (1960g) Tevet-Jan
5722H (1962g) Av-Aug
5725H (1965g) Sivan-Jun Tammuz-Jul
5728H (1968g) Adar-Mar
5731H (1970g) Tishrei-Oct
5733H (1973g) Sivan-Jun Tammuz-Jul
5736H (1976g) Nisan-Apr Iyar-May
5739H (1978g) Heshvan-Nov Kislev-Dec
5741H (1981g) Av-Aug
5744H (1984g) Sivan-Jun Tammuz-Jul
5749H (1989g) Elul-Sep
5755H (1995g) Adar-Feb Nisan-Apr Iyar-May
5758H (1997g) Heshvan-Nov
5760H (2000g) Elul-Sep
5763H (2003g) Sivan-Jun Tammuz-Jul
5766H (2006g) Tevet-Jan Adar-Mar
5768H (2008g) Elul-Sep
5771H (2011g) Av-Aug
5774H (2014g) Adar-Feb Nisan-Apr Iyar-May
5777H (2016g) Kislev-Dec
5779H (2019g) Elul-Sep
5785H (2025g) Tevet-Jan Adar-Mar
5788H (2027g) Heshvan-Nov Kislev-Dec
5793H (2033g) Shevat-Jan
5796H (2036g) Tevet-Jan
5798H (2038g) Elul-Sep
5804H (2044g) Tevet-Jan
5807H (2046g) Tishrei-Oct
5809H (2049g) Sivan-Jun Tammuz-Jul
5812H (2052g) Adar-Feb
5815H (2055g) Tevet-Jan Adar-Mar
5817H (2057g) Av-Aug
5820H (2060g) Nisan-Apr Iyar-May
5826H (2065g) Tishrei-Oct
5828H (2068g) Sivan-Jun Tammuz-Jul
5831H (2071g) Shevat-Jan
5834H (2073g) Heshvan-Nov Kislev-Dec
5844H (2084g) Elul-Sep
5847H (2087g) Sivan-Jun Tammuz-Jul
5850H (2090g) Adar-Feb Nisan-Apr Iyar-May
5853H (2092g) Heshvan-Nov
5855H (2095g) Av-Aug
5858H (2098g) Sivan-Jun Tammuz-Jul
5864H (2103g) Heshvan-Nov
5866H (2106g) Elul-Sep
5872H (2112g) Tevet-Jan
5875H (2114g) Tishrei-Oct
5877H (2117g) Sivan-Jun Tammuz-Jul
5880H (2120g) Adar-Mar
5883H (2122g) Tishrei-Oct
5885H (2125g) Av-Aug
5888H (2128g) Nisan-Apr Iyar-May
5891H (2130g) Kislev-Dec
5894H (2133g) Tishrei-Oct
5896H (2136g) Sivan-Jun Tammuz-Jul
5902H (2141g) Heshvan-Nov
5907H (2147g) Adar-Feb Nisan-Apr Iyar-May
5910H (2149g) Heshvan-Nov Kislev-Dec
5912H (2152g) Elul-Sep
5915H (2155g) Sivan-Jun Tammuz-Jul
5918H (2158g) Tevet-Jan Adar-Mar
5921H (2160g) Heshvan-Nov
5923H (2163g) Av-Aug
5926H (2166g) Adar-Feb Nisan-Apr Iyar-May
5929H (2168g) Kislev-Dec
5931H (2171g) Elul-Sep
5937H (2177g) Tevet-Jan Adar-Mar
5940H (2179g) Heshvan-Nov Kislev-Dec
5948H (2188g) Tevet-Jan
5950H (2190g) Elul-Sep
5956H (2196g) Shevat-Feb
5959H (2198g) Tishrei-Oct
5961H (2201g) Av-Aug
5964H (2204g) Sivan-Jun Tammuz-Jul
5969H (2209g) Elul-Sep
5975H (2215g) Shevat-Feb Nisan-Apr Iyar-May
5978H (2217g) Heshvan-Nov
5983H (2223g) Sivan-Jun Tammuz-Jul
5986H (2226g) Tevet-Jan Adar-Mar
5988H (2228g) Elul-Sep
5991H (2231g) Av-Aug
5994H (2234g) Shevat-Feb v'Adar-Apr Nisan-May
5997H (2236g) Tishrei-Oct
5999H (2239g) Elul-Sep
6005H (2244g) Kislev-Dec
6008H (2247g) Heshvan-Nov
6016H (2255g) Heshvan-Nov
6018H (2258g) Elul-Sep
6024H (2264g) Tevet-Jan
6027H (2266g) Tishrei-Oct
6029H (2269g) Sivan-Jun Tammuz-Jul
6032H (2272g) Adar-Mar
6035H (2274g) Kislev-Dec
6037H (2277g) Av-Aug
6040H (2280g) Nisan-Apr Iyar-May
6046H (2285g) Tishrei-Oct
6048H (2288g) Sivan-Jun Tammuz-Jul
6054H (2293g) Heshvan-Nov Kislev-Dec
6062H (2302g) Shevat-Feb v'Adar-Apr Nisan-May
6065H (2304g) Tishrei-Oct
6073H (2312g) Kislev-Dec
6075H (2315g) Elul-Sep
6084H (2323g) Tishrei-Oct
6092H (2332g) Tevet-Jan
6094H (2334g) Av-Aug
6097H (2337g) Sivan-Jun Tammuz-Jul
6100H (2340g) Adar-Mar
6103H (2342g) Tishrei-Oct
6105H (2345g) Av-Aug
6108H (2348g) v'Adar-Apr Nisan-May
6111H (2350g) Kislev-Dec
6113H (2353g) Av-Aug
6116H (2356g) Sivan-Jun Tammuz-Jul
6122H (2361g) Heshvan-Nov
6127H (2367g) Shevat-Feb v'Adar-Apr Nisan-May
6130H (2369g) Heshvan-Nov Kislev-Dec
6132H (2372g) Elul-Sep
6135H (2375g) Sivan-Jun Tammuz-Jul
6138H (2378g) Tevet-Jan Adar-Mar
6141H (2380g) Heshvan-Nov
6143H (2383g) Av-Aug
6146H (2386g) Shevat-Feb v'Adar-Apr Nisan-May
6149H (2388g) Kislev-Dec
6151H (2391g) Elul-Sep
6157H (2397g) Tevet-Jan Adar-Mar
6160H (2399g) Heshvan-Nov Kislev-Dec
6168H (2408g) Tevet-Jan
6170H (2410g) Elul-Sep
6176H (2416g) Tevet-Jan
6179H (2418g) Tishrei-Oct
6181H (2421g) Sivan-Jun Tammuz-Jul
6184H (2424g) Shevat-Feb
6187H (2427g) Tevet-Jan Adar-Mar
6189H (2429g) Av-Aug
6192H (2432g) Sivan-Jun Tammuz-Jul
6198H (2437g) Tishrei-Oct
6200H (2440g) Sivan-Jun Tammuz-Jul
6206H (2445g) Heshvan-Nov Kislev-Dec
6208H (2448g) Av-Aug
6216H (2456g) Elul-Sep
6219H (2459g) Av-Aug
6222H (2462g) Shevat-Feb v'Adar-Apr Nisan-May
6225H (2464g) Heshvan-Nov
6227H (2467g) Av-Aug
6230H (2470g) Sivan-Jun Tammuz-Jul
6233H (2473g) Tevet-Jan Adar-Mar
6236H (2475g) Tishrei-Oct
6238H (2478g) Av-Aug
6241H (2481g) Shevat-Feb v'Adar-Apr Nisan-May
6244H (2483g) Heshvan-Nov Kislev-Dec
6246H (2486g) Elul-Sep
6252H (2492g) Tevet-Jan
6254H (2494g) Elul-Sep
6260H (2500g) Shevat-Feb v'Adar-Apr Nisan-May
6263H (2502g) Kislev-Dec
6266H (2505g) Tishrei-Oct
6268H (2508g) Sivan-Jun Tammuz-Jul
6274H (2513g) Heshvan-Nov Kislev-Dec
6279H (2519g) Shevat-Feb v'Adar-Apr Nisan-May
6284H (2524g) Elul-Sep
6287H (2527g) Sivan-Jun Tammuz-Jul
6290H (2530g) Shevat-Feb v'Adar-Apr Nisan-May
6293H (2532g) Heshvan-Nov
6295H (2535g) Av-Aug
6298H (2538g) Shevat-Feb v'Adar-Apr Nisan-May
6301H (2541g) Tevet-Jan Adar-Mar
6303H (2543g) Elul-Sep
6306H (2546g) Sivan-Jun Tammuz-Jul
6309H (2549g) Shevat-Feb v'Adar-Apr Nisan-May
6312H (2551g) Heshvan-Nov Kislev-Dec
6320H (2560g) Tevet-Jan
6322H (2562g) Elul-Sep
6328H (2568g) Shevat-Feb
6331H (2570g) Tishrei-Oct
6339H (2579g) Tevet-Jan Adar-Mar
6341H (2581g) Av-Aug
6344H (2584g) Sivan-Jun Tammuz-Jul
6350H (2589g) Tishrei-Oct
6352H (2592g) Av-Aug
6358H (2597g) Kislev-Dec
6360H (2600g) Elul-Sep
6363H (2603g) Av-Aug
6366H (2606g) Shevat-Feb v'Adar-Apr Nisan-May
6369H (2608g) Kislev-Dec
6371H (2611g) Elul-Sep
6377H (2617g) Tevet-Jan Adar-Mar
6380H (2619g) Heshvan-Nov Kislev-Dec
6388H (2628g) Tevet-Jan
6390H (2630g) Elul-Sep
6396H (2636g) Tevet-Jan
6399H (2638g) Tishrei-Oct
6401H (2641g) Sivan-Jun Tammuz-Jul
6404H (2644g) Shevat-Feb
6407H (2647g) Tevet-Jan Adar-Mar
6409H (2649g) Av-Aug
6412H (2652g) v'Adar-Apr Nisan-May
6418H (2657g) Tishrei-Oct
6420H (2660g) Sivan-Jun Tammuz-Jul
6426H (2665g) Heshvan-Nov Kislev-Dec
6436H (2676g) Elul-Sep
6439H (2679g) Sivan-Jun Tammuz-Jul
6442H (2682g) Shevat-Feb v'Adar-Apr Nisan-May
6445H (2684g) Heshvan-Nov
6447H (2687g) Av-Aug
6450H (2690g) Iyar-Jun Sivan-Jul
6453H (2693g) Tevet-Jan Adar-Mar
6456H (2695g) Tishrei-Oct
6458H (2698g) Av-Aug
6464H (2704g) Tevet-Jan
6467H (2706g) Tishrei-Oct
6469H (2709g) Iyar-Jun Sivan-Jul
6472H (2712g) Adar-Mar
6475H (2714g) Tishrei-Oct
6477H (2717g) Av-Aug
6480H (2720g) v'Adar-Apr Nisan-May
6483H (2722g) Kislev-Dec
6486H (2725g) Tishrei-Oct
6488H (2728g) Iyar-Jun Sivan-Jul
6494H (2733g) Heshvan-Nov
6499H (2739g) Shevat-Feb v'Adar-Apr Nisan-May
6502H (2741g) Heshvan-Nov Kislev-Dec
6504H (2744g) Elul-Sep
6507H (2747g) Iyar-Jun Sivan-Jul
6510H (2750g) Tevet-Jan Adar-Mar
6513H (2752g) Heshvan-Nov
6515H (2755g) Av-Aug
6518H (2758g) Shevat-Feb v'Adar-Apr Nisan-May
6521H (2761g) Tevet-Jan Adar-Mar
6523H (2763g) Elul-Sep
6529H (2769g) Tevet-Jan Adar-Mar
6532H (2771g) Heshvan-Nov Kislev-Dec
6540H (2780g) Tevet-Jan
6542H (2782g) Elul-Sep
6548H (2788g) Shevat-Feb
6551H (2790g) Tishrei-Oct
6559H (2799g) Tevet-Jan Adar-Mar
6561H (2801g) Av-Aug
6564H (2804g) Iyar-Jun Sivan-Jul
6570H (2809g) Tishrei-Oct
6572H (2812g) Sivan-Jun Tammuz-Jul
6578H (2817g) Heshvan-Nov Kislev-Dec
6580H (2820g) Av-Aug
6588H (2828g) Elul-Sep
6591H (2831g) Av-Aug
6594H (2834g) Shevat-Feb v'Adar-Apr Nisan-May
6597H (2836g) Heshvan-Nov
6600H (2839g) Tishrei-Oct
6602H (2842g) Iyar-Jun Sivan-Jul
6605H (2845g) Tevet-Jan Adar-Mar
6608H (2847g) Tishrei-Oct
6610H (2850g) Av-Aug
6613H (2853g) Shevat-Feb v'Adar-Apr Nisan-May
6618H (2858g) Elul-Sep
6624H (2864g) Tevet-Jan
6627H (2866g) Heshvan-Nov
6632H (2872g) Shevat-Feb
6635H (2875g) Tevet-Jan Adar-Mar
6637H (2877g) Elul-Sep
6643H (2883g) Tevet-Jan Adar-Mar
6646H (2885g) Tishrei-Oct
6648H (2888g) Sivan-Jun Tammuz-Jul
6651H (2891g) Shevat-Feb v'Adar-Apr Nisan-May
6654H (2894g) Tevet-Jan Adar-Mar
6656H (2896g) Av-Aug
6662H (2902g) Shevat-Feb v'Adar-Apr Nisan-May
6665H (2904g) Heshvan-Nov
6667H (2907g) Av-Aug
6670H (2910g) Shevat-Feb v'Adar-Apr Nisan-May
6673H (2913g) Tevet-Jan Adar-Mar
6675H (2915g) Elul-Sep
6678H (2918g) Iyar-Jun Sivan-Jul
6681H (2921g) Shevat-Feb v'Adar-Apr Nisan-May
6684H (2923g) Heshvan-Nov Kislev-Dec
6692H (2932g) Tevet-Jan
6694H (2934g) Elul-Sep
6700H (2940g) Shevat-Feb
6703H (2942g) Heshvan-Nov
6705H (2945g) Elul-Sep
6711H (2951g) Tevet-Jan Adar-Mar
6714H (2953g) Tishrei-Oct
6716H (2956g) Iyar-Jun Sivan-Jul
6722H (2961g) Tishrei-Oct
6724H (2964g) Av-Aug
6730H (2969g) Kislev-Dec
6733H (2972g) Tishrei-Oct
6741H (2980g) Heshvan-Nov
6743H (2983g) Av-Aug
6746H (2986g) Shevat-Feb v'Adar-Apr Nisan-May
6749H (2988g) Heshvan-Nov Kislev-Dec
6752H (2991g) Tishrei-Oct
6754H (2994g) Iyar-Jun Sivan-Jul
6757H (2997g) Tevet-Jan Adar-Mar
6760H (2999g) Kislev-Dec
Rosh Hashannah last coincided with the first day of September on Saturday 1 Sep 987g (4748H). The event will next reoccur on Thursday 1 Sep 78,614g (82,374H).
Rosh Hashannah first coincided with the first day of October on Thursday 1 Oct 922g (4683H). This happened in the middle of the very heated calendar controversy between Aaron ben Meir of Palestine and Saadia ben Yosef of Babylon. For more details on the controversy please refer to
Rosh Hashannah last coincided with the first day of October on Thursday 1 Oct 1970g (5731H). Its next occurrence will be on Monday 1 Oct 2046g (5807H).
The following table shows all of the Rosh Hashannot which coincide with the first day of October for the 1500 Hebrew year period 5261H (1500/1g) up to 6760H (2999/3000g).
The frequency of the coincidence for this sampling period is about once in every 30 years. The actual frequency of such coincidence will vary depending on the sampling period selected.
5264H (1503g) Tishrei-Oct
5275H (1514g) Tishrei-Oct
5321H (1560g) Tishrei-Oct
5340H (1579g) Tishrei-Oct
5359H (1598g) Tishrei-Oct
5405H (1644g) Tishrei-Oct
5435H (1674g) Tishrei-Oct
5454H (1693g) Tishrei-Oct
5473H (1712g) Tishrei-Oct
5492H (1731g) Tishrei-Oct
5511H (1750g) Tishrei-Oct
5579H (1818g) Tishrei-Oct
5625H (1864g) Tishrei-Oct
5655H (1894g) Tishrei-Oct
5693H (1932g) Tishrei-Oct
5712H (1951g) Tishrei-Oct
5731H (1970g) Tishrei-Oct
5807H (2046g) Tishrei-Oct
5826H (2065g) Tishrei-Oct
5875H (2114g) Tishrei-Oct
5883H (2122g) Tishrei-Oct
5894H (2133g) Tishrei-Oct
5959H (2198g) Tishrei-Oct
5997H (2236g) Tishrei-Oct
6027H (2266g) Tishrei-Oct
6046H (2285g) Tishrei-Oct
6065H (2304g) Tishrei-Oct
6084H (2323g) Tishrei-Oct
6103H (2342g) Tishrei-Oct
6179H (2418g) Tishrei-Oct
6198H (2437g) Tishrei-Oct
6236H (2475g) Tishrei-Oct
6266H (2505g) Tishrei-Oct
6331H (2570g) Tishrei-Oct
6350H (2589g) Tishrei-Oct
6399H (2638g) Tishrei-Oct
6418H (2657g) Tishrei-Oct
6456H (2695g) Tishrei-Oct
6467H (2706g) Tishrei-Oct
6475H (2714g) Tishrei-Oct
6486H (2725g) Tishrei-Oct
6551H (2790g) Tishrei-Oct
6570H (2809g) Tishrei-Oct
6600H (2839g) Tishrei-Oct
6608H (2847g) Tishrei-Oct
6646H (2885g) Tishrei-Oct
6714H (2953g) Tishrei-Oct
6722H (2961g) Tishrei-Oct
6733H (2972g) Tishrei-Oct
6752H (2991g) Tishrei-Oct
Over the 1500 year sampling period, 262 Hebrew years have only one month whose first days coincide with the first day of their corresponding Gregorian month.
5261H (1501g) v'Adar-Mar
5264H (1503g) Tishrei-Oct
5266H (1506g) Av-Aug
5272H (1511g) Kislev-Dec
5275H (1514g) Tishrei-Oct
5283H (1522g) Heshvan-Nov
5288H (1528g) Adar-Feb
5293H (1533g) Elul-Sep
5299H (1539g) v'Adar-Mar
5302H (1541g) Heshvan-Nov
5310H (1549g) Kislev-Dec
5312H (1552g) Av-Aug
5318H (1558g) v'Adar-Mar
5321H (1560g) Tishrei-Oct
5326H (1566g) Shevat-Jan
5329H (1568g) Kislev-Dec
5331H (1571g) Elul-Sep
5337H (1576g) Tevet-Dec
5340H (1579g) Tishrei-Oct
5345H (1585g) Shevat-Jan
5348H (1588g) Tevet-Jan
5350H (1590g) Av-Aug
5359H (1598g) Tishrei-Oct
5369H (1609g) Av-Aug
5375H (1615g) Shevat-Jan
5377H (1617g) Elul-Sep
5386H (1625g) Heshvan-Nov
5394H (1634g) v'Adar-Mar
5396H (1636g) Elul-Sep
5399H (1639g) Av-Aug
5405H (1644g) Tishrei-Oct
5407H (1647g) Elul-Sep
5416H (1655g) Heshvan-Nov
5421H (1661g) Shevat-Jan
5424H (1663g) Heshvan-Nov
5426H (1666g) Elul-Sep
5435H (1674g) Tishrei-Oct
5440H (1680g) Adar-Feb
5443H (1682g) Kislev-Dec
5445H (1685g) Av-Aug
5451H (1691g) Shevat-Jan
5454H (1693g) Tishrei-Oct
5459H (1699g) Shevat-Jan
5464H (1704g) Av-Aug
5473H (1712g) Tishrei-Oct
5481H (1720g) Kislev-Dec
5483H (1723g) Elul-Sep
5489H (1729g) Shevat-Jan
5492H (1731g) Tishrei-Oct
5500H (1740g) Tevet-Jan
5502H (1742g) Av-Aug
5511H (1750g) Tishrei-Oct
5513H (1753g) Av-Aug
5519H (1758g) Kislev-Dec
5521H (1761g) Av-Aug
5527H (1767g) Shevat-Jan
5530H (1769g) Heshvan-Nov
5540H (1780g) Elul-Sep
5546H (1786g) v'Adar-Mar
5549H (1788g) Heshvan-Nov
5551H (1791g) Av-Aug
5557H (1796g) Kislev-Dec
5559H (1799g) Elul-Sep
5565H (1805g) Shevat-Jan
5568H (1808g) Tevet-Jan
5570H (1810g) Av-Aug
5576H (1816g) Adar-Mar
5579H (1818g) Tishrei-Oct
5597H (1837g) Elul-Sep
5606H (1845g) Heshvan-Nov
5616H (1856g) Elul-Sep
5619H (1859g) Av-Aug
5625H (1864g) Tishrei-Oct
5627H (1867g) Elul-Sep
5633H (1872g) Kislev-Dec
5635H (1875g) Elul-Sep
5641H (1881g) Shevat-Jan
5644H (1883g) Heshvan-Nov
5646H (1886g) Elul-Sep
5652H (1892g) Tevet-Jan
5655H (1894g) Tishrei-Oct
5660H (1900g) Shevat-Jan
5665H (1905g) Elul-Sep
5674H (1913g) Heshvan-Nov
5684H (1924g) Av-Aug
5693H (1932g) Tishrei-Oct
5701H (1940g) Kislev-Dec
5703H (1943g) Elul-Sep
5712H (1951g) Tishrei-Oct
5720H (1960g) Tevet-Jan
5722H (1962g) Av-Aug
5728H (1968g) Adar-Mar
5731H (1970g) Tishrei-Oct
5741H (1981g) Av-Aug
5749H (1989g) Elul-Sep
5758H (1997g) Heshvan-Nov
5760H (2000g) Elul-Sep
5768H (2008g) Elul-Sep
5771H (2011g) Av-Aug
5777H (2016g) Kislev-Dec
5779H (2019g) Elul-Sep
5793H (2033g) Shevat-Jan
5796H (2036g) Tevet-Jan
5798H (2038g) Elul-Sep
5804H (2044g) Tevet-Jan
5807H (2046g) Tishrei-Oct
5812H (2052g) Adar-Feb
5817H (2057g) Av-Aug
5826H (2065g) Tishrei-Oct
5831H (2071g) Shevat-Jan
5844H (2084g) Elul-Sep
5853H (2092g) Heshvan-Nov
5855H (2095g) Av-Aug
5864H (2103g) Heshvan-Nov
5866H (2106g) Elul-Sep
5872H (2112g) Tevet-Jan
5875H (2114g) Tishrei-Oct
5880H (2120g) Adar-Mar
5883H (2122g) Tishrei-Oct
5885H (2125g) Av-Aug
5891H (2130g) Kislev-Dec
5894H (2133g) Tishrei-Oct
5902H (2141g) Heshvan-Nov
5912H (2152g) Elul-Sep
5921H (2160g) Heshvan-Nov
5923H (2163g) Av-Aug
5929H (2168g) Kislev-Dec
5931H (2171g) Elul-Sep
5948H (2188g) Tevet-Jan
5950H (2190g) Elul-Sep
5956H (2196g) Shevat-Feb
5959H (2198g) Tishrei-Oct
5961H (2201g) Av-Aug
5969H (2209g) Elul-Sep
5978H (2217g) Heshvan-Nov
5988H (2228g) Elul-Sep
5991H (2231g) Av-Aug
5997H (2236g) Tishrei-Oct
5999H (2239g) Elul-Sep
6005H (2244g) Kislev-Dec
6008H (2247g) Heshvan-Nov
6016H (2255g) Heshvan-Nov
6018H (2258g) Elul-Sep
6024H (2264g) Tevet-Jan
6027H (2266g) Tishrei-Oct
6032H (2272g) Adar-Mar
6035H (2274g) Kislev-Dec
6037H (2277g) Av-Aug
6046H (2285g) Tishrei-Oct
6065H (2304g) Tishrei-Oct
6073H (2312g) Kislev-Dec
6075H (2315g) Elul-Sep
6084H (2323g) Tishrei-Oct
6092H (2332g) Tevet-Jan
6094H (2334g) Av-Aug
6100H (2340g) Adar-Mar
6103H (2342g) Tishrei-Oct
6105H (2345g) Av-Aug
6111H (2350g) Kislev-Dec
6113H (2353g) Av-Aug
6122H (2361g) Heshvan-Nov
6132H (2372g) Elul-Sep
6141H (2380g) Heshvan-Nov
6143H (2383g) Av-Aug
6149H (2388g) Kislev-Dec
6151H (2391g) Elul-Sep
6168H (2408g) Tevet-Jan
6170H (2410g) Elul-Sep
6176H (2416g) Tevet-Jan
6179H (2418g) Tishrei-Oct
6184H (2424g) Shevat-Feb
6189H (2429g) Av-Aug
6198H (2437g) Tishrei-Oct
6208H (2448g) Av-Aug
6216H (2456g) Elul-Sep
6219H (2459g) Av-Aug
6225H (2464g) Heshvan-Nov
6227H (2467g) Av-Aug
6236H (2475g) Tishrei-Oct
6238H (2478g) Av-Aug
6246H (2486g) Elul-Sep
6252H (2492g) Tevet-Jan
6254H (2494g) Elul-Sep
6263H (2502g) Kislev-Dec
6266H (2505g) Tishrei-Oct
6284H (2524g) Elul-Sep
6293H (2532g) Heshvan-Nov
6295H (2535g) Av-Aug
6303H (2543g) Elul-Sep
6320H (2560g) Tevet-Jan
6322H (2562g) Elul-Sep
6328H (2568g) Shevat-Feb
6331H (2570g) Tishrei-Oct
6341H (2581g) Av-Aug
6350H (2589g) Tishrei-Oct
6352H (2592g) Av-Aug
6358H (2597g) Kislev-Dec
6360H (2600g) Elul-Sep
6363H (2603g) Av-Aug
6369H (2608g) Kislev-Dec
6371H (2611g) Elul-Sep
6388H (2628g) Tevet-Jan
6390H (2630g) Elul-Sep
6396H (2636g) Tevet-Jan
6399H (2638g) Tishrei-Oct
6404H (2644g) Shevat-Feb
6409H (2649g) Av-Aug
6418H (2657g) Tishrei-Oct
6436H (2676g) Elul-Sep
6445H (2684g) Heshvan-Nov
6447H (2687g) Av-Aug
6456H (2695g) Tishrei-Oct
6458H (2698g) Av-Aug
6464H (2704g) Tevet-Jan
6467H (2706g) Tishrei-Oct
6472H (2712g) Adar-Mar
6475H (2714g) Tishrei-Oct
6477H (2717g) Av-Aug
6483H (2722g) Kislev-Dec
6486H (2725g) Tishrei-Oct
6494H (2733g) Heshvan-Nov
6504H (2744g) Elul-Sep
6513H (2752g) Heshvan-Nov
6515H (2755g) Av-Aug
6523H (2763g) Elul-Sep
6540H (2780g) Tevet-Jan
6542H (2782g) Elul-Sep
6548H (2788g) Shevat-Feb
6551H (2790g) Tishrei-Oct
6561H (2801g) Av-Aug
6570H (2809g) Tishrei-Oct
6580H (2820g) Av-Aug
6588H (2828g) Elul-Sep
6591H (2831g) Av-Aug
6597H (2836g) Heshvan-Nov
6600H (2839g) Tishrei-Oct
6608H (2847g) Tishrei-Oct
6610H (2850g) Av-Aug
6618H (2858g) Elul-Sep
6624H (2864g) Tevet-Jan
6627H (2866g) Heshvan-Nov
6632H (2872g) Shevat-Feb
6637H (2877g) Elul-Sep
6646H (2885g) Tishrei-Oct
6656H (2896g) Av-Aug
6665H (2904g) Heshvan-Nov
6667H (2907g) Av-Aug
6675H (2915g) Elul-Sep
6692H (2932g) Tevet-Jan
6694H (2934g) Elul-Sep
6700H (2940g) Shevat-Feb
6703H (2942g) Heshvan-Nov
6705H (2945g) Elul-Sep
6714H (2953g) Tishrei-Oct
6722H (2961g) Tishrei-Oct
6724H (2964g) Av-Aug
6730H (2969g) Kislev-Dec
6733H (2972g) Tishrei-Oct
6741H (2980g) Heshvan-Nov
6743H (2983g) Av-Aug
6752H (2991g) Tishrei-Oct
6760H (2999g) Kislev-Dec
Over the 1500 year sampling period, 128 Hebrew years have two months whose first days coincide with the first day of their corresponding Gregorian month. It should be obvious that there is no pattern of 19 year cycles in these coincidences.
5277H (1517g) Sivan-Jun Tammuz-Jul
5280H (1520g) Shevat-Jan v'Adar-Mar
5291H (1530g) Heshvan-Nov Kislev-Dec
5342H (1582g) Sivan-Jun Tammuz-Jul
5353H (1593g) Sivan-Jun Tammuz-Jul
5356H (1596g) Shevat-Jan v'Adar-Mar
5361H (1601g) Sivan-Jun Tammuz-Jul
5364H (1604g) Nisan-Apr Iyar-May
5367H (1606g) Heshvan-Nov Kislev-Dec
5372H (1612g) Sivan-Jun Tammuz-Jul
5391H (1631g) Sivan-Jun Tammuz-Jul
5413H (1652g) Kislev-Nov Tevet-Dec
5437H (1677g) Sivan-Jun Tammuz-Jul
5448H (1688g) Nisan-Apr Iyar-May
5456H (1696g) Sivan-Jun Tammuz-Jul
5462H (1702g) Tevet-Jan Adar-Mar
5467H (1707g) Sivan-Jun Tammuz-Jul
5505H (1745g) Sivan-Jun Tammuz-Jul
5508H (1748g) Shevat-Jan v'Adar-Mar
5516H (1756g) Nisan-Apr Iyar-May
5524H (1764g) Sivan-Jun Tammuz-Jul
5538H (1777g) Heshvan-Nov Kislev-Dec
5543H (1783g) Sivan-Jun Tammuz-Jul
5562H (1802g) Sivan-Jun Tammuz-Jul
5581H (1821g) Sivan-Jun Tammuz-Jul
5584H (1824g) Shevat-Jan v'Adar-Mar
5587H (1826g) Heshvan-Nov Kislev-Dec
5592H (1832g) Nisan-Apr Iyar-May
5611H (1851g) Sivan-Jun Tammuz-Jul
5614H (1854g) Tevet-Jan Adar-Mar
5657H (1897g) Sivan-Jun Tammuz-Jul
5663H (1902g) Heshvan-Nov Kislev-Dec
5671H (1911g) Tevet-Jan Adar-Mar
5682H (1922g) Tevet-Jan Adar-Mar
5687H (1927g) Sivan-Jun Tammuz-Jul
5690H (1930g) Tevet-Jan Adar-Mar
5725H (1965g) Sivan-Jun Tammuz-Jul
5733H (1973g) Sivan-Jun Tammuz-Jul
5736H (1976g) Nisan-Apr Iyar-May
5739H (1978g) Heshvan-Nov Kislev-Dec
5744H (1984g) Sivan-Jun Tammuz-Jul
5763H (2003g) Sivan-Jun Tammuz-Jul
5766H (2006g) Tevet-Jan Adar-Mar
5785H (2025g) Tevet-Jan Adar-Mar
5788H (2027g) Heshvan-Nov Kislev-Dec
5809H (2049g) Sivan-Jun Tammuz-Jul
5815H (2055g) Tevet-Jan Adar-Mar
5820H (2060g) Nisan-Apr Iyar-May
5828H (2068g) Sivan-Jun Tammuz-Jul
5834H (2073g) Heshvan-Nov Kislev-Dec
5847H (2087g) Sivan-Jun Tammuz-Jul
5858H (2098g) Sivan-Jun Tammuz-Jul
5877H (2117g) Sivan-Jun Tammuz-Jul
5888H (2128g) Nisan-Apr Iyar-May
5896H (2136g) Sivan-Jun Tammuz-Jul
5910H (2149g) Heshvan-Nov Kislev-Dec
5915H (2155g) Sivan-Jun Tammuz-Jul
5918H (2158g) Tevet-Jan Adar-Mar
5937H (2177g) Tevet-Jan Adar-Mar
5940H (2179g) Heshvan-Nov Kislev-Dec
5964H (2204g) Sivan-Jun Tammuz-Jul
5983H (2223g) Sivan-Jun Tammuz-Jul
5986H (2226g) Tevet-Jan Adar-Mar
6029H (2269g) Sivan-Jun Tammuz-Jul
6040H (2280g) Nisan-Apr Iyar-May
6048H (2288g) Sivan-Jun Tammuz-Jul
6054H (2293g) Heshvan-Nov Kislev-Dec
6097H (2337g) Sivan-Jun Tammuz-Jul
6108H (2348g) Nisan-Apr Iyar-May
6116H (2356g) Sivan-Jun Tammuz-Jul
6130H (2369g) Heshvan-Nov Kislev-Dec
6135H (2375g) Sivan-Jun Tammuz-Jul
6138H (2378g) Tevet-Jan Adar-Mar
6157H (2397g) Tevet-Jan Adar-Mar
6160H (2399g) Heshvan-Nov Kislev-Dec
6181H (2421g) Sivan-Jun Tammuz-Jul
6187H (2427g) Tevet-Jan Adar-Mar
6192H (2432g) Sivan-Jun Tammuz-Jul
6200H (2440g) Sivan-Jun Tammuz-Jul
6206H (2445g) Heshvan-Nov Kislev-Dec
6230H (2470g) Sivan-Jun Tammuz-Jul
6233H (2473g) Tevet-Jan Adar-Mar
6244H (2483g) Heshvan-Nov Kislev-Dec
6268H (2508g) Sivan-Jun Tammuz-Jul
6274H (2513g) Heshvan-Nov Kislev-Dec
6287H (2527g) Sivan-Jun Tammuz-Jul
6301H (2541g) Tevet-Jan Adar-Mar
6306H (2546g) Sivan-Jun Tammuz-Jul
6312H (2551g) Heshvan-Nov Kislev-Dec
6339H (2579g) Tevet-Jan Adar-Mar
6344H (2584g) Sivan-Jun Tammuz-Jul
6377H (2617g) Tevet-Jan Adar-Mar
6380H (2619g) Heshvan-Nov Kislev-Dec
6401H (2641g) Sivan-Jun Tammuz-Jul
6407H (2647g) Tevet-Jan Adar-Mar
6412H (2652g) Nisan-Apr Iyar-May
6420H (2660g) Sivan-Jun Tammuz-Jul
6426H (2665g) Heshvan-Nov Kislev-Dec
6439H (2679g) Sivan-Jun Tammuz-Jul
6450H (2690g) Sivan-Jun Tammuz-Jul
6453H (2693g) Tevet-Jan Adar-Mar
6469H (2709g) Sivan-Jun Tammuz-Jul
6480H (2720g) Nisan-Apr Iyar-May
6488H (2728g) Sivan-Jun Tammuz-Jul
6502H (2741g) Heshvan-Nov Kislev-Dec
6507H (2747g) Sivan-Jun Tammuz-Jul
6510H (2750g) Tevet-Jan Adar-Mar
6521H (2761g) Tevet-Jan Adar-Mar
6529H (2769g) Tevet-Jan Adar-Mar
6532H (2771g) Heshvan-Nov Kislev-Dec
6559H (2799g) Tevet-Jan Adar-Mar
6564H (2804g) Sivan-Jun Tammuz-Jul
6572H (2812g) Sivan-Jun Tammuz-Jul
6578H (2817g) Heshvan-Nov Kislev-Dec
6602H (2842g) Sivan-Jun Tammuz-Jul
6605H (2845g) Tevet-Jan Adar-Mar
6635H (2875g) Tevet-Jan Adar-Mar
6643H (2883g) Tevet-Jan Adar-Mar
6648H (2888g) Sivan-Jun Tammuz-Jul
6654H (2894g) Tevet-Jan Adar-Mar
6673H (2913g) Tevet-Jan Adar-Mar
6678H (2918g) Sivan-Jun Tammuz-Jul
6684H (2923g) Heshvan-Nov Kislev-Dec
6711H (2951g) Tevet-Jan Adar-Mar
6716H (2956g) Sivan-Jun Tammuz-Jul
6749H (2988g) Heshvan-Nov Kislev-Dec
6754H (2994g) Sivan-Jun Tammuz-Jul
6757H (2997g) Tevet-Jan Adar-Mar
Over the 1500 year sampling period, 39 Hebrew years have three months whose first days coincide with the first day of their corresponding Gregorian month. It should be obvious that there is no pattern of 19 year cycles in these coincidences, although most of the triple coincidence years are separated by exact multiples of 19 years.
Another observation which can be made is that all of the triple coincidences always occur with the Gregorian months February, April, and May. This is due entirely to February being 28 days long, and the first coinciding Hebrew month being 29 days long.
Although the sampling period shows the triple coincidences to occur about
once in every 38.5 years, no such coincidences can be found for the 6,565
Hebrew year period beginning in
10,335H (6,574g) and ending in 16,899H (13,138g).
5269H (1509g) Adar-Feb Nisan-Apr Iyar-May
5307H (1547g) Adar-Feb Nisan-Apr Iyar-May
5383H (1623g) Adar-Feb Nisan-Apr Iyar-May
5402H (1642g) Adar-Feb Nisan-Apr Iyar-May
5470H (1710g) Adar-Feb Nisan-Apr Iyar-May
5535H (1775g) Adar-Feb Nisan-Apr Iyar-May
5554H (1794g) Adar-Feb Nisan-Apr Iyar-May
5573H (1813g) Adar-Feb Nisan-Apr Iyar-May
5603H (1843g) Adar-Feb Nisan-Apr Iyar-May
5622H (1862g) Adar-Feb Nisan-Apr Iyar-May
5679H (1919g) Adar-Feb Nisan-Apr Iyar-May
5755H (1995g) Adar-Feb Nisan-Apr Iyar-May
5774H (2014g) Adar-Feb Nisan-Apr Iyar-May
5850H (2090g) Adar-Feb Nisan-Apr Iyar-May
5907H (2147g) Adar-Feb Nisan-Apr Iyar-May
5926H (2166g) Adar-Feb Nisan-Apr Iyar-May
5975H (2215g) Shevat-Feb Nisan-Apr Iyar-May
5994H (2234g) Shevat-Feb Nisan-Apr Iyar-May
6062H (2302g) Shevat-Feb Nisan-Apr Iyar-May
6127H (2367g) Shevat-Feb Nisan-Apr Iyar-May
6146H (2386g) Shevat-Feb Nisan-Apr Iyar-May
6222H (2462g) Shevat-Feb Nisan-Apr Iyar-May
6241H (2481g) Shevat-Feb Nisan-Apr Iyar-May
6260H (2500g) Shevat-Feb Nisan-Apr Iyar-May
6279H (2519g) Shevat-Feb Nisan-Apr Iyar-May
6290H (2530g) Shevat-Feb Nisan-Apr Iyar-May
6298H (2538g) Shevat-Feb Nisan-Apr Iyar-May
6309H (2549g) Shevat-Feb Nisan-Apr Iyar-May
6366H (2606g) Shevat-Feb Nisan-Apr Iyar-May
6442H (2682g) Shevat-Feb Nisan-Apr Iyar-May
6499H (2739g) Shevat-Feb Nisan-Apr Iyar-May
6518H (2758g) Shevat-Feb Nisan-Apr Iyar-May
6594H (2834g) Shevat-Feb Nisan-Apr Iyar-May
6613H (2853g) Shevat-Feb Nisan-Apr Iyar-May
6651H (2891g) Shevat-Feb Nisan-Apr Iyar-May
6662H (2902g) Shevat-Feb Nisan-Apr Iyar-May
6670H (2910g) Shevat-Feb Nisan-Apr Iyar-May
6681H (2921g) Shevat-Feb Nisan-Apr Iyar-May
6746H (2986g) Shevat-Feb Nisan-Apr Iyar-May
First Paged 15 Nov 1998 Next Revised 11 Oct 2000