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Recognised as Decade

1130s

  • 1130-1139
  • 3,652 days
  • 2 leap years
  • 12th century

The 1130s was the decade from 1 January 1130 to 31 December 1139, 3,652 days in total. It contained 2 leap years (1132, 1136). Counted strictly from year 1 the decade would run 1131 to 1140; this page uses the common reading.

Span of the decade

First day1 January 1130
Last day31 December 1139
Opened on aWednesday
Closed on aSunday
Days in the decade3,652
Weeks in the decade521 and 5 days
Century12th century

The years of the 1130s

1130Common year, 365 days
1131Common year, 365 days
1132Leap year, 366 days
1133Common year, 365 days
1134Common year, 365 days
1135Common year, 365 days
1136Leap year, 366 days
1137Common year, 365 days
1138Common year, 365 days
1139Common year, 365 days

Leap years

Leap years1132, 1136
How many2the usual count for a decade
Common years8

Unix time

Start of the decade-26,507,865,600seconds since 1 January 1970
End of the decade-26,192,332,801the last second of 31 December

Where a decade starts

This page uses1130 to 1139the common reading, grouping years by their shared first three digits
The strict ordinal decade1131 to 1140counting in tens from year 1, the 114th decade runs 1131 to 1140
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 “1130s” by Nerdulator’s date engine. Nothing here was retrieved from a database of answers or written by a model.