Time & Date Calculator App for iOS
See how long remains before a deadline or exactly when those 30 days are up.
Home Calculators Weekday Calculator: What Day Is It?
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.
Based on Calendar for United States. Date is based on the old Julian Calendar calendar which was in use before.
January 1, 0001 is a Saturday
Additional facts
- It is day number 1 of the year, 364 days left.
- It is Saturday number 1 out of 53 in 0001.
- It is Saturday number 1 out of 5 in January 0001.
- Year 0001 has 365 days.
- January 0001 has 31 days.
Try the Calculator API
Use our Calculator data in your apps. 3 months FREE trial, no credit card needed. Start free trial
Date Calculators
- Doomsday Calculator – Calculate the weekday of any date in your Head
- Week Number Calculator – Find the week number for any date
- Date Calculator – Add or subtract days, months, years
- Add to or subtract from a date and time
- Duration Between Two Dates – Calculates number of days.
- Time and Date Duration – Calculate duration, with both date and time included
- Birthday Calculator – Find when you are 1 billion seconds old
Related Links
- Date/calendar related services – Overview
- Calendar Generator – Create a calendar for any year.
- The World Clock – Current time all over the world
- Countdown to any date
Share this page / Follow us on:
Visit us on: