Astronomy and calendars
English Perpetual calendar September 2022
Deutsch Espanol Italiano day calendar - Calendar 2022

(for BC Years use astronomical notation)

September 2022
12Fase Luna3
456789Fase Luna10
111213141516Fase Luna17
Fase Luna252627282930
Gregorian Calendar
Events of the month
Astronomical events
IconaDescrizioneDataOra T.U.
First QuarterFirst QuarterSaturday 3 18:00
Full MoonFull MoonSaturday 10 09:56
Last quarterLast quarterSaturday 17 21:55
Equinozio d´autunnoFriday 23 01:00
New MoonNew MoonSunday 25 21:51
Christian Calendar
Event Day
Times are in UT - Universal Time (Greenwich Mean Time); for lunar phases and eclipses the error in within 2 min.

This perpetual calendar works for any year since 4713AC (-4712). The date of change from Julian Calendar to Gregorian is Oct 15 1582 (Julian Oct 5 1582).
For years before 321, when Emperor Constantine I introduced by decree the week cycle and Sunday rest, you will see the Roman Calendar with Kalendae, Nonae and Idi and the nundinal cycle instead of the week. You can always see the modern style calendar selecting from the dropdown menu.
For years between 46BC (first year of the Julian Calendar) and 4AD I tried to take into account the leap year error (which the priests interposed every three years instead of four) up to 8BC when August corrected this error suppressing three leap years.
For years before 46AC (-45) this calendar uses a analeptic julian calendar which obviously is different from the calendar used by Romans at the time (Numan Calendar).


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