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Decade

1670s

  • 1670-1679
  • 3,652 days
  • 2 leap years
  • 17th century

The 1670s was the decade from 1 January 1670 to 31 December 1679, 3,652 days in total. It contained 2 leap years (1672, 1676). Counted strictly from year 1 the decade would run 1671 to 1680; this page uses the common reading.

Span of the decade

First day1 January 1670
Last day31 December 1679
Opened on aWednesday
Closed on aSunday
Days in the decade3,652
Weeks in the decade521 and 5 days
Century17th century

The years of the 1670s

1670Common year, 365 days
1671Common year, 365 days
1672Leap year, 366 days
1673Common year, 365 days
1674Common year, 365 days
1675Common year, 365 days
1676Leap year, 366 days
1677Common year, 365 days
1678Common year, 365 days
1679Common year, 365 days

Leap years

Leap years1672, 1676
How many2the usual count for a decade
Common years8

Unix time

Start of the decade-9,467,020,800seconds since 1 January 1970
End of the decade-9,151,488,001the last second of 31 December

Where a decade starts

This page uses1670 to 1679the common reading, grouping years by their shared first three digits
The strict ordinal decade1671 to 1680counting in tens from year 1, the 168th decade runs 1671 to 1680
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 “1670s” by Nerdulator’s date engine. Nothing here was retrieved from a database of answers or written by a model.