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Months equal to August 1999

The month August 1999 has 31 days and starts on a Sunday. August 1999 has 5 Sundays, 5 Mondays, 5 Tuesdays.

Months which have the same number of days and starting weekday as August 1999
YearMonthCompared to August 1999Since last
1989January10 years, 7 months before
1989October9 years, 10 months before+ 9 months
1990July9 years, 1 months before+ 9 months
1991December7 years, 8 months before+ 17 months
1992March7 years, 5 months before+ 3 months
1993August6 years before+ 17 months
1994May5 years, 3 months before+ 9 months
1995January4 years, 7 months before+ 8 months
1995October3 years, 10 months before+ 9 months
1996December2 years, 8 months before+ 14 months
1998March17 months before+ 15 months
1999Augustselected month+ 17 months
2000October14 months after+ 14 months
2001July23 months after+ 9 months
2002December3 years, 4 months after+ 17 months
2004August5 years after+ 20 months
2005May5 years, 9 months after+ 9 months
2006January6 years, 5 months after+ 8 months
2006October7 years, 2 months after+ 9 months
2007July7 years, 11 months after+ 9 months
2009March9 years, 7 months after+ 20 months
Between years 1989 and 2009 this occurs 21 times. Note that holidays seldom match exactly. Selected month is highlighted.

Which Years Have the Same Calendar?

Reuse your yearly calendar by finding years that have the same number of days and start on the same day of the week.

Which Months Have the Same Calendar?

Find months that have the same number of days and start on the same day of the week.

When Does a Date Fall on a Certain Weekday?

Do you feel dates like Friday the 13th occur often? This calculator tells you exactly when.

About repeating months

A year has 7 months containing 31 days, 4 months containing 30 days and the final month has either 28 or 29 days. All weekdays occur four times.

This means that:

  • 31-day months repeat on average once every year.
  • 30-day months repeat on average four times every 7 years.
  • 29-day months repeat on average once every 28 years.
  • 28-day months repeat on average 3 times every 28 years.