Day of the Week Calculator
Find out what day of the week any date falls on, plus interesting facts about that date
Date Selection
Select any date to find out what day of the week it was or will be
How It Works
Day Calculation
Uses JavaScript's Date object which implements the Gregorian calendar system. Days are numbered 0-6 where Sunday = 0 and Saturday = 6.
Historical Accuracy
Accurate for dates after October 15, 1582 (Gregorian calendar adoption). Earlier dates may not match historical records due to calendar system changes.
Additional Information
Includes day of year, week number, zodiac sign, season information, and leap year detection for comprehensive date analysis.
Use Cases
Perfect for historical research, event planning, birthday calculations, scheduling, and satisfying general curiosity about dates.