Astronomy and calendars
English Perpetual calendar October 2015
Deutsch Espanol Italiano day calendar - Calendar 2015

(for BC Years use astronomical notation)

October 2015
Fase Luna45678910
1112Fase Luna1314151617
1819Fase Luna2021222324
2526Fase Luna2728293031
Gregorian Calendar
Events of the month
Astronomical events
IconaDescrizioneDataOra T.U.
Last quarterLast quarterSunday 4 21:06
New MoonNew MoonTuesday 13 00:04
First QuarterFirst QuarterTuesday 20 20:27
Full MoonFull MoonTuesday 27 12:03
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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