Astronomy and calendars
English Perpetual calendar May 2016
Deutsch Espanol Italiano day calendar - Calendar 2016

(for BC Years use astronomical notation)

May 2016
12345Fase Luna67
89101112Fase Luna1314
151617181920Fase Luna21
Fase Luna293031
Gregorian Calendar
Events of the month
Astronomical events
IconaDescrizioneDataOra T.U.
New MoonNew MoonFriday 6 19:28
First QuarterFirst QuarterFriday 13 16:57
Full MoonFull MoonSaturday 21 21:14
Last quarterLast quarterSunday 29 12:14
Christian Calendar
Event Day
PentecostSunday 15
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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