Recognised as Month
September 2001
- September 2001
- 30 days
- 20 working days
- Q3
September 2001 had 30 days, beginning on a Saturday and ending on a Sunday. It contained 20 working days and 10 weekend days, spanning ISO weeks 35 to 39, and fell in Q3 of 2001.
The month
MoTuWeThFrSaSu
12
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17181920212223
24252627282930
September 2001, weeks starting Monday. Weekends highlighted.
Month number9 of 12
Days30
First daySaturday, 1 September 2001
Last daySunday, 30 September 2001
QuarterQ3
Days before it in the year243
Day-of-year range244 to 273
Share of the year8.219%≈
Weeks and working days
Working days20Monday to Friday, ignoring public holidays, which vary by country and change
Weekend days10
ISO weeks spannedWeeks 35 to 39
Full weeks4and 2 days over
Sundays5
Mondays4
Tuesdays4
Wednesdays4
Thursdays4
Fridays4
Saturdays5
Position in the year
Reference numbers
Unix timestamp of the 1st999,302,400midnight UTC
Unix timestamp of the last day1,001,808,000midnight UTC
Seconds in the month2,592,000ignoring leap seconds
Julian Day Number of the 1st2,452,154
Hebrew13 Elul 5761the 1st of this month in the Hebrew calendar
Islamic (tabular)12 Jumada II 1422 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
September in other years
Days of the month
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