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Decade

1090s

  • 1090-1099
  • 3,652 days
  • 2 leap years
  • 11th century

The 1090s was the decade from 1 January 1090 to 31 December 1099, 3,652 days in total. It contained 2 leap years (1092, 1096). Counted strictly from year 1 the decade would run 1091 to 1100; this page uses the common reading.

Span of the decade

First day1 January 1090
Last day31 December 1099
Opened on aWednesday
Closed on aSunday
Days in the decade3,652
Weeks in the decade521 and 5 days
Century11th century

The years of the 1090s

1090Common year, 365 days
1091Common year, 365 days
1092Leap year, 366 days
1093Common year, 365 days
1094Common year, 365 days
1095Common year, 365 days
1096Leap year, 366 days
1097Common year, 365 days
1098Common year, 365 days
1099Common year, 365 days

Leap years

Leap years1092, 1096
How many2the usual count for a decade
Common years8

Unix time

Start of the decade-27,770,083,200seconds since 1 January 1970
End of the decade-27,454,550,401the last second of 31 December

Where a decade starts

This page uses1090 to 1099the common reading, grouping years by their shared first three digits
The strict ordinal decade1091 to 1100counting in tens from year 1, the 110th decade runs 1091 to 1100
Which is correctBoth, for different questionsthe first is a naming convention, the second follows from counting; neither is derived from the other

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Every value on this page was computed from “1090s” by Nerdulator’s date engine. Nothing here was retrieved from a database of answers or written by a model.