Calendar for April 2021 (United States)
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Tools
Customization Forms
- Re-customize this calendar–large – advanced form with more choices
- Re-customize this calendar – classic, basic form
- Change your settings for timeanddate.com – customize your country and time zone
Other Calendars
- Calendar Generator – Create a calendar for any year
- Custom Calendar – Make advanced customized calendars
- Calendar for 2024 – Calendar with holidays for this year
- Printable Calendar – PDF calendars for printing
Date Calculators
- Duration Between Two Dates – Calculates number of days
- Date Calculator – Add or subtract days, months, years
- Birthday Calculator – Find when you are 1 billion seconds old
- Repeating Calendars – Which years share the same calendar?
Related Links
- Countdown to Any Date – Create your own countdown
- Moon Phase Calendar – Calculate moon phases for any year
- Seasons Calculator – Solstices & Equinoxes