Date reference
December 23, 1979 is a Sunday
December 23, 1979 is the 4th Sunday of December 1979 and the 357th day of the year.
Find another date
Change the day, month, or year.
Links related to Sunday, December 23, 1979
These links connect the date to its weekday, month, calendar, and related pattern pages.
Calendar for December 1979
Use the monthly calendar to see this date in context and move to nearby days.
Use the monthly calendar below to see where December 23, 1979 sits inside December 1979.
- December 1979 started on Saturday and ended on Monday.
- December 1979 had 5 Sundays.
- There were 8 days remaining in 1979 after this date.
- 1979 was not a leap year.
Related patterns
These pattern pages widen the search from one exact date into recurring calendar relationships.
Same 31-day layout and opening Saturday.
Years with same calendar as year 1979 21 matching yearsSame leap-year status and January 1 weekday.
Months that have day number 23 falling on a Sunday Day-number patternFind every month where day 23 lands on Sunday.
Additional facts
The core date facts below answer the most common follow-up questions for this day.
- It is day number 357 of the year, 8 days left.
- It is Sunday number 51 out of 52 in 1979.
- It is Sunday number 4 out of 5 in December 1979.
- Year 1979 has 365 days.
- December 1979 has 31 days.
December 23, 1979 is the 51st Sunday of 1979, with 8 days remaining in the year after it.
About Sunday
A quick weekday reference adds context beyond the exact date answer.
Sunday is the 7th day of the week in ISO 8601. It comes after Saturday and before Monday.
In 1979, Sunday appears 52 times, and December 23, 1979 is the 51st Sunday of the year.
Use the Sunday page to browse more dates that fall on the same weekday.
Read more about SundayAbout December
This month summary helps the date page carry more useful context on its own.
December is the 12th month of the Gregorian calendar and has 31 days in 1979.
In December 1979, the month began on Saturday and ended on Monday.
December sits in Q4, and this month contains 5 Sundays.
Read more about DecemberNearby dates
Jump to the day before, the day after, or the same weekday one week away.
One day earlier
One day later
Same weekday one week earlier
Same weekday one week later