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Weekday Calculator: What Day Is It?

What day of the week was I born? Enter any date to find out the weekday and other fun facts.

September 12, 1999 is a Sunday

Additional facts

  • It is day number 255 of the year, 110 days left.
  • It is Sunday number 37 out of 52 in 1999.
  • It is Sunday number 2 out of 4 in September 1999.
  • Year 1999 has 365 days.
  • September 1999 has 30 days.

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