Calendar Epoch Dates


Calendar Epoch Dates converted to Gregorian
Native Calendar Epoch DateGregorian Calendar Date*Julian Date
  0001-01-01 SY [Solarian]   -4236-12-23 BC 174249.50
  0001-07-01 AM [Hebrew]   -3760-09-07 BC 347997.25
  0001-01-01 AUC [Julian (Imperial)]   -0753-12-24 BC 1446389.50
  0001-01-01 AD [Julian]   0000-12-30 BC* 1721423.50
  0001-01-01 AD [Gregorian]   0001-01-01 AD 1721425.50
  0001-01-01 ZH [Ethiopic]   0008-08-27 AD 1724220.75
  0001-01-01 AS [Indian Civil]   0079-03-22 AD 1749994.50
  0001-01-01 AM [Coptic]   0284-08-29 AD 1825029.25
  0001-01-01 AP [Persian]   0622-03-22 AD 1948320.50
  0001-01-01 AH [Islamic (Fatimid)]   0622-07-19 AD 1948439.25
  0001-01-01 BE [Bahai]   1844-03-21 AD 2394646.25

*Note: As required by the ANSI Smalltalk Standard, Gregorian dates are designated using astronomical year numbering, whereby the year prior to the year 1 is the year zero.

Calendar Epoch Dates converted to Julian
Native Calendar Epoch DateJulian Calendar DateJulian Date
  0001-01-01 SY [Solarian]   -4236-01-26 BC 174249.50
  0001-07-01 AM [Hebrew]   -3761-10-07 BC 347997.25
  0001-01-01 AUC [Julian (Imperial)]   -0753-01-01 BC 1446389.50
  0001-01-01 AD [Julian]   0001-01-01 AD 1721423.50
  0001-01-01 AD [Gregorian]   0001-01-03 AD 1721425.50
  0001-01-01 ZH [Ethiopic]   0008-08-29 AD 1724220.75
  0001-01-01 AS [Indian Civil]   0079-03-24 AD 1749994.50
  0001-01-01 AM [Coptic]   0284-08-29 AD 1825029.25
  0001-01-01 AP [Persian]   0622-03-19 AD 1948320.50
  0001-01-01 AH [Islamic (Fatimid)]   0622-07-16 AD 1948439.25
  0001-01-01 BE [Bahai]   1844-03-09 AD 2394646.25

Calendar Epoch Dates converted to Julian (Imperial)
Native Calendar Epoch DateJulian (Imperial) Calendar DateJulian Date
  0001-01-01 SY [Solarian]   -3482-01-26 AUC 174249.50
  0001-07-01 AM [Hebrew]   -3007-10-07 AUC 347997.25
  0001-01-01 AUC [Julian (Imperial)]   0001-01-01 AUC 1446389.50
  0001-01-01 AD [Julian]   0754-01-01 AUC 1721423.50
  0001-01-01 AD [Gregorian]   0754-01-03 AUC 1721425.50
  0001-01-01 ZH [Ethiopic]   0761-08-29 AUC 1724220.75
  0001-01-01 AS [Indian Civil]   0832-03-24 AUC 1749994.50
  0001-01-01 AM [Coptic]   1037-08-29 AUC 1825029.25
  0001-01-01 AP [Persian]   1375-03-19 AUC 1948320.50
  0001-01-01 AH [Islamic (Fatimid)]   1375-07-16 AUC 1948439.25
  0001-01-01 BE [Bahai]   2597-03-09 AUC 2394646.25

Calendar Epoch Dates converted to Solarian
Native Calendar Epoch DateSolarian Calendar DateJulian Date
  0001-01-01 SY [Solarian]   0001-01-01 SY 174249.50
  0001-07-01 AM [Hebrew]   0476-09-15 SY 347997.25
  0001-01-01 AUC [Julian (Imperial)]   3484-01-03 SY 1446389.50
  0001-01-01 AD [Julian]   4237-01-09 SY 1721423.50
  0001-01-01 AD [Gregorian]   4237-01-11 SY 1721425.50
  0001-01-01 ZH [Ethiopic]   4244-09-05 SY 1724220.75
  0001-01-01 AS [Indian Civil]   4315-04-02 SY 1749994.50
  0001-01-01 AM [Coptic]   4520-09-08 SY 1825029.25
  0001-01-01 AP [Persian]   4858-04-02 SY 1948320.50
  0001-01-01 AH [Islamic (Fatimid)]   4858-07-28 SY 1948439.25
  0001-01-01 BE [Bahai]   6080-04-02 SY 2394646.25

Calendar Epoch Dates converted to Hebrew
Native Calendar Epoch DateHebrew Calendar DateJulian Date
  0001-01-01 SY [Solarian]   -0475-11-11 AM 174249.50
  0001-07-01 AM [Hebrew]   0001-07-01 AM 347997.25
  0001-01-01 AUC [Julian (Imperial)]   3008-11-02 AM 1446389.50
  0001-01-01 AD [Julian]   3761-10-16 AM 1721423.50
  0001-01-01 AD [Gregorian]   3761-10-18 AM 1721425.50
  0001-01-01 ZH [Ethiopic]   3768-06-08 AM 1724220.75
  0001-01-01 AS [Indian Civil]   3839-01-02 AM 1749994.50
  0001-01-01 AM [Coptic]   4044-06-29 AM 1825029.25
  0001-01-01 AP [Persian]   4382-01-02 AM 1948320.50
  0001-01-01 AH [Islamic (Fatimid)]   4382-05-03 AM 1948439.25
  0001-01-01 BE [Bahai]   5604-01-01 AM 2394646.25

Calendar Epoch Dates converted to Ethiopic
Native Calendar Epoch DateEthiopic Calendar DateJulian Date
  0001-01-01 SY [Solarian]   -4244-06-01 ZB 174249.50
  0001-07-01 AM [Hebrew]   -3768-02-10 ZB 347997.25
  0001-01-01 AUC [Julian (Imperial)]   -0761-05-05 ZB 1446389.50
  0001-01-01 AD [Julian]   -0008-05-06 ZB 1721423.50
  0001-01-01 AD [Gregorian]   -0008-05-08 ZB 1721425.50
  0001-01-01 ZH [Ethiopic]   0001-01-01 ZH 1724220.75
  0001-01-01 AS [Indian Civil]   0071-07-28 ZH 1749994.50
  0001-01-01 AM [Coptic]   0277-01-01 ZH 1825029.25
  0001-01-01 AP [Persian]   0614-07-23 ZH 1948320.50
  0001-01-01 AH [Islamic (Fatimid)]   0614-11-22 ZH 1948439.25
  0001-01-01 BE [Bahai]   1836-07-13 ZH 2394646.25

Calendar Epoch Dates converted to Indian Civil
Native Calendar Epoch DateIndian Civil Calendar DateJulian Date
  0001-01-01 SY [Solarian]   -4314-10-02 AS 174249.50
  0001-07-01 AM [Hebrew]   -3838-06-16 AS 347997.25
  0001-01-01 AUC [Julian (Imperial)]   -0831-10-03 AS 1446389.50
  0001-01-01 AD [Julian]   -0078-10-09 AS 1721423.50
  0001-01-01 AD [Gregorian]   -0078-10-11 AS 1721425.50
  0001-01-01 ZH [Ethiopic]   -0070-06-05 AS 1724220.75
  0001-01-01 AS [Indian Civil]   0001-01-01 AS 1749994.50
  0001-01-01 AM [Coptic]   0206-06-07 AS 1825029.25
  0001-01-01 AP [Persian]   0544-01-01 AS 1948320.50
  0001-01-01 AH [Islamic (Fatimid)]   0544-04-28 AS 1948439.25
  0001-01-01 BE [Bahai]   1766-01-01 AS 2394646.25

Calendar Epoch Dates converted to Coptic
Native Calendar Epoch DateCoptic Calendar DateJulian Date
  0001-01-01 SY [Solarian]   -4520-06-01 AM 174249.50
  0001-07-01 AM [Hebrew]   -4044-02-10 AM 347997.25
  0001-01-01 AUC [Julian (Imperial)]   -1037-05-05 AM 1446389.50
  0001-01-01 AD [Julian]   -0284-05-06 AM 1721423.50
  0001-01-01 AD [Gregorian]   -0284-05-08 AM 1721425.50
  0001-01-01 ZH [Ethiopic]   -0276-01-01 AM 1724220.75
  0001-01-01 AS [Indian Civil]   -0206-07-28 AM 1749994.50
  0001-01-01 AM [Coptic]   0001-01-01 AM 1825029.25
  0001-01-01 AP [Persian]   0338-07-23 AM 1948320.50
  0001-01-01 AH [Islamic (Fatimid)]   0338-11-22 AM 1948439.25
  0001-01-01 BE [Bahai]   1560-07-13 AM 2394646.25

Calendar Epoch Dates converted to Persian
Native Calendar Epoch DatePersian Calendar DateJulian Date
  0001-01-01 SY [Solarian]   -4858-10-01 AP 174249.50
  0001-07-01 AM [Hebrew]   -4382-06-15 AP 347997.25
  0001-01-01 AUC [Julian (Imperial)]   -1375-10-02 AP 1446389.50
  0001-01-01 AD [Julian]   -0622-10-09 AP 1721423.50
  0001-01-01 AD [Gregorian]   -0622-10-11 AP 1721425.50
  0001-01-01 ZH [Ethiopic]   -0614-06-05 AP 1724220.75
  0001-01-01 AS [Indian Civil]   -0543-01-02 AP 1749994.50
  0001-01-01 AM [Coptic]   -0338-06-07 AP 1825029.25
  0001-01-01 AP [Persian]   0001-01-01 AP 1948320.50
  0001-01-01 AH [Islamic (Fatimid)]   0001-04-27 AP 1948439.25
  0001-01-01 BE [Bahai]   1223-01-01 AP 2394646.25

Calendar Epoch Dates converted to Islamic (Fatimid)
Native Calendar Epoch DateIslamic (Fatimid) Calendar DateJulian Date
  0001-01-01 SY [Solarian]   -5006-05-07 AH 174249.50
  0001-07-01 AM [Hebrew]   -4516-08-26 AH 347997.25
  0001-01-01 AUC [Julian (Imperial)]   -1416-03-30 AH 1446389.50
  0001-01-01 AD [Julian]   -0640-05-16 AH 1721423.50
  0001-01-01 AD [Gregorian]   -0640-05-18 AH 1721425.50
  0001-01-01 ZH [Ethiopic]   -0632-04-07 AH 1724220.75
  0001-01-01 AS [Indian Civil]   -0559-01-01 AH 1749994.50
  0001-01-01 AM [Coptic]   -0348-09-29 AH 1825029.25
  0001-01-01 AP [Persian]   0000-08-29 AH 1948320.50
  0001-01-01 AH [Islamic (Fatimid)]   0001-01-01 AH 1948439.25
  0001-01-01 BE [Bahai]   1260-03-01 AH 2394646.25

Calendar Epoch Dates converted to Bahai
Native Calendar Epoch DateBahai Calendar DateJulian Date
  0001-01-01 SY [Solarian]   -6079-15-13 BE 174249.50
  0001-07-01 AM [Hebrew]   -5603-09-19 BE 347997.25
  0001-01-01 AUC [Julian (Imperial)]   -2596-15-14 BE 1446389.50
  0001-01-01 AD [Julian]   -1843-15-19 BE 1721423.50
  0001-01-01 AD [Gregorian]   -1843-16-02 BE 1721425.50
  0001-01-01 ZH [Ethiopic]   -1835-09-08 BE 1724220.75
  0001-01-01 AS [Indian Civil]   -1764-01-03 BE 1749994.50
  0001-01-01 AM [Coptic]   -1559-09-10 BE 1825029.25
  0001-01-01 AP [Persian]   -1221-01-02 BE 1948320.50
  0001-01-01 AH [Islamic (Fatimid)]   -1221-07-07 BE 1948439.25
  0001-01-01 BE [Bahai]   0001-01-01 BE 2394646.25

[Chronos] All code (classes and methods, and all associated documentation,) distributed as part of the Chronos Date/Time library are © Copyright 2005-2006 by Alan L. Lovejoy.  All Rights Reserved. Usage is controlled by the Chronos License (which is included in the distribution as the contents of the file {chronos-license.txt}, and is also available from the Chronos web site {http://www.chronos-st.org/License.html})

"Do not go gentle into that good night,
Old age should burn and rave at the close of the day;
Rage, rage at the dying of the light!" -- Dylan Thomas