Month
December 2013
- December 2013
- 31 days
- 22 working days
- Q4
December 2013 had 31 days, beginning on a Sunday and ending on a Tuesday. It contained 22 working days and 9 weekend days, spanning ISO weeks 48 to 1, and fell in Q4 of 2013.
The month
MoTuWeThFrSaSu
1
2345678
9101112131415
16171819202122
23242526272829
3031
December 2013, weeks starting Monday. Weekends highlighted.
Month number12 of 12
Days31
First daySunday, 1 December 2013
Last dayTuesday, 31 December 2013
QuarterQ4
Days before it in the year334
Day-of-year range335 to 365
Share of the year8.493%≈
Weeks and working days
Working days22Monday to Friday, ignoring public holidays, which vary by country and change
Weekend days9
ISO weeks spannedWeeks 48 to 1the ISO week year differs from the calendar year at the boundary
Full weeks4and 3 days over
Sundays5
Mondays5
Tuesdays5
Wednesdays4
Thursdays4
Fridays4
Saturdays4
Position in the year
Reference numbers
Unix timestamp of the 1st1,385,856,000midnight UTC
Unix timestamp of the last day1,388,448,000midnight UTC
Seconds in the month2,678,400ignoring leap seconds
Julian Day Number of the 1st2,456,628
Hebrew28 Kislev 5774the 1st of this month in the Hebrew calendar
Islamic (tabular)27 Muharram 1435 AHthe tabular reckoning, not the observational calendar in religious use
Relative to today
These values depend on today’s date and change daily.
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Adjacent months
December in other years
Days of the month
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