Time and Date

  • Months to Days Calculator
    Convert months to days instantly. Uses the average month length of 30.4375 days for accurate, year-aware results. Free online months-to-days calculator.
  • EST to IST Converter
    Convert Eastern Standard Time (EST) to India Standard Time (IST) instantly. IST is 10 hours 30 minutes ahead of EST. Enter any time to convert.
  • PST to IST Converter
    Convert PST (Pacific Standard Time, UTC−8) to IST (India Standard Time, UTC+5:30) instantly. Add 13 hours 30 minutes with automatic day rollover.
  • Days Since and Until Calculator
    Count the days since or until any date. Find how many days before or after a reference date, with weeks and a signed past/future result.
  • Weeks Until Christmas Calculator
    Count the weeks until Christmas. Enter today's date and the year to see how many full weeks and days remain until December 25.
  • Unix Timestamp Calculator (Seconds & Milliseconds)
    Convert a Unix time in milliseconds to seconds, minutes and days since the epoch. Free Unix timestamp calculator with the exact floor formula explained.
  • Road Trip Time Calculator
    Estimate total road trip time from distance, average speed, and rest stops. Adds driving time plus break time for a realistic arrival estimate.
  • Seconds to HH:MM:SS Calculator
    Convert any number of seconds into hours, minutes, and seconds (HH:MM:SS) instantly. Free, accurate seconds-to-time converter with full breakdown.
  • IST to PST Time Converter
    Convert India Standard Time (IST) to Pacific Standard Time (PST) instantly. PST = IST − 13.5 hours. Enter the IST hour and minute to get the PST time.
  • EST to PDT Converter
    Convert Eastern Standard Time (EST) to Pacific Daylight Time (PDT) instantly. PDT = EST − 3 hours. Enter any hour and minute to see the Pacific time.
  • Zodiac Sign Compatibility Calculator by Birthdate
    Enter two birthdates to find your sun signs and an element-based zodiac compatibility score out of 100. Free, instant astrology match calculator.
  • Birthstone Calculator
    Find your birthstone by birth month. Instantly see your modern and traditional gemstone plus its meaning for any month from January to December.
  • Age from Birth Year Calculator
    Find out how old you are if you only know your birth year. Year-only age estimate: current year minus birth year, with the birthday-not-yet-reached range.
  • Year Progress Calculator
    Find out what percentage of the year has passed for any date. Calculates day of year, days remaining, and year progress percent for leap and non-leap years.
  • How Many Weeks Pregnant Am I?
    Find out how many weeks and days pregnant you are from your last menstrual period (LMP). Enter your LMP and an as-of date to get gestational age instantly.
  • IST to EST Time Converter
    Convert India Standard Time (IST) to US Eastern Standard Time (EST). Enter an IST hour and minute to get the equivalent EST time (IST − 10h 30m).
  • 24-Hour to 12-Hour Time Converter
    Convert 24-hour (military) time to 12-hour format with AM/PM instantly. Enter the hour and minute to get the correct standard clock time.
  • GMT to IST Converter
    Convert GMT to IST (India Standard Time) instantly. IST = GMT + 5:30. Enter any GMT hour and minute to get the exact India time, plus day rollover.
  • PST to EST Converter
    Convert Pacific Standard Time (PST) to Eastern Standard Time (EST) instantly. EST is 3 hours ahead of PST. Enter a time and get the EST equivalent.
  • GMT to PST Converter
    Convert GMT (UTC) to Pacific Standard Time instantly. Enter a GMT hour and minute to get the equivalent PST time in 12-hour and 24-hour format.
  • EST to CST Converter
    Convert Eastern Standard Time (EST) to Central Standard Time (CST) instantly. Enter the EST hour and minute to get the equivalent CST time (EST − 1 hour).
  • Days Until Date Calculator
    Count the exact number of days until any future date with our free Days Until Date Calculator. Countdown to birthdays, holidays, deadlines and events.
  • Subtract Days From a Date Calculator
    Subtract any number of days from a date instantly. Enter a start date and the days to subtract to get the exact earlier calendar date.
  • Add Months to a Date Calculator
    Add (or subtract) any number of months to a date. Handles month-end overflow by clamping the day to the last valid day of the resulting month.

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