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Recognised as Decade

1160s

  • 1160-1169
  • 3,653 days
  • 3 leap years
  • 12th century

The 1160s was the decade from 1 January 1160 to 31 December 1169, 3,653 days in total. It contained 3 leap years (1160, 1164, 1168). Counted strictly from year 1 the decade would run 1161 to 1170; this page uses the common reading.

Span of the decade

First day1 January 1160
Last day31 December 1169
Opened on aFriday
Closed on aWednesday
Days in the decade3,653
Weeks in the decade521 and 6 days
Century12th century

The years of the 1160s

1160Leap year, 366 days
1161Common year, 365 days
1162Common year, 365 days
1163Common year, 365 days
1164Leap year, 366 days
1165Common year, 365 days
1166Common year, 365 days
1167Common year, 365 days
1168Leap year, 366 days
1169Common year, 365 days

Leap years

Leap years1160, 1164, 1168
How many3a decade spanning a skipped century leap year has fewer
Common years7

Unix time

Start of the decade-25,561,180,800seconds since 1 January 1970
End of the decade-25,245,561,601the last second of 31 December

Where a decade starts

This page uses1160 to 1169the common reading, grouping years by their shared first three digits
The strict ordinal decade1161 to 1170counting in tens from year 1, the 117th decade runs 1161 to 1170
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 “1160s” by Nerdulator’s date engine. Nothing here was retrieved from a database of answers or written by a model.