Recognised as Month
January 2019
- January 2019
- 31 days
- 23 working days
- Q1
January 2019 has 31 days, beginning on a Tuesday and ending on a Thursday. It contains 23 working days and 8 weekend days, spanning ISO weeks 1 to 5, and falls in Q1 of 2019.
The month
MoTuWeThFrSaSu
123456
78910111213
14151617181920
21222324252627
28293031
January 2019, weeks starting Monday. Weekends highlighted.
Month number1 of 12
Days31
First dayTuesday, 1 January 2019
Last dayThursday, 31 January 2019
QuarterQ1
Days before it in the year0
Day-of-year range1 to 31
Share of the year8.493%≈
Weeks and working days
Working days23Monday to Friday, ignoring public holidays, which vary by country and change
Weekend days8
ISO weeks spannedWeeks 1 to 5
Full weeks4and 3 days over
Sundays4
Mondays4
Tuesdays5
Wednesdays5
Thursdays5
Fridays4
Saturdays4
Position in the year
Reference numbers
Unix timestamp of the 1st1,546,300,800midnight UTC
Unix timestamp of the last day1,548,892,800midnight UTC
Seconds in the month2,678,400ignoring leap seconds
Julian Day Number of the 1st2,458,485
Hebrew24 Tevet 5779the 1st of this month in the Hebrew calendar
Islamic (tabular)23 Rabi II 1440 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
January in other years
Days of the month
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