Add/Subtract Date

Add or subtract years, months, days, hours, minutes, or seconds to a date and time, with optional timezone support.

Enter Date, Timezone & Amount

Result

Enter a start date, amount, and operation to calculate the new date

Add/Subtract Date Tips & Best Practices

How It Works

  • Enter a start date and time, select a timezone, and specify the amount to add or subtract.
  • Supports years, months, days, hours, minutes, and seconds.
  • Choose to add or subtract the specified amount.

Common Use Cases

  • Project planning and scheduling
  • Event countdowns and reminders
  • Time calculations for work or study

Best Practices

  • Double-check your input values and timezone
  • Be aware of leap years and daylight saving time
  • Use UTC for universal reference