What is 21 days ago?

21 days is 3 weeks, so the date lands on the same day of the week as today.

Yesterday is 1 day ago, so count back from today without counting today itself.

Other amounts

• 7 days
• 10 days
• 14 days
• 21 days
• 28 days
• 30 days
• 45 days
• 60 days
• 90 days
• 100 days
• 120 days
• 180 days
• 365 days

Count by

• Days from today
• Weeks from today
• Months from today
• Days ago

More date tools

• Days until
• Weeks between dates
• How long until a time
• Days from today
• Days ago
• Months from today
• Days left in the year
• Date calculator
• Business days
• Age calculator
• Birthday countdown
• Retirement countdown
• Julian date
• Leap year checker
• Days in a month
• Week number
• Calendar
• Countdown to a date