Day of the Week Calculator – Find What Day Any Date Falls On

Discover what day of the week any historical or future date falls on with our free online Day of the Week Calculator. Perfect for planning events, checking birthdays, or solving historical date puzzles.

🔹 Simply enter any date (day, month, year) to instantly find its weekday
🔹 Works for any year from 100 to 9999 – past or future dates
🔹 100% accurate weekday calculations
🔹 Mobile-friendly design works on all devices

Popular search terms this tool answers:
“What day was [date]?” “Weekday calculator for any date” “Historical day finder” “Date to day converter” “Birthday day calculator” “Find day of week for specific date” “Zeller’s congruence calculator” “Calendar date weekday finder”

This free day calculator helps you:
✓ Plan weddings, anniversaries, and events
✓ Research historical dates
✓ Verify birth days
✓ Solve “what day was I born?” questions
✓ Check future dates for scheduling

Why use our calculator?
✔ No registration required
✔ Instant AJAX-powered results
✔ Clean, ad-friendly interface
✔ Works for both Gregorian and modern dates

Try it now to answer questions like:
“What day was July 4, 1776?” “What day will Christmas be in 2030?” “Was my birthday on a weekend?”