Time and Date

  • EST to CST Converter
    Convert Eastern Time (EST) to Central Time (CST) instantly. CST is always 1 hour behind EST. Enter any EST time and get the CST equivalent.
  • How Old Will I Be On a Future Date?
    Find out exactly how old you'll be on any future date. Enter your birthday and a target date to get your age in years, months and days.
  • UTC to Local Time Converter
    Convert UTC time to your local time for any UTC offset. Enter the UTC hour, minute, and offset to get the local 24-hour clock time instantly.
  • UTC to EDT Converter
    Convert UTC time to Eastern Daylight Time (EDT) instantly. EDT = UTC − 4 hours. Enter the UTC hour and minute to get the matching US Eastern clock time.
  • Birthday Day of Week Calculator
    Find what day of the week you were born and the weekday of your next birthday. Free day-of-week calculator using Zeller's congruence for any date.
  • UTC to JST Converter
    Convert UTC time to Japan Standard Time (JST) instantly. JST is always UTC+9 with no daylight saving. Enter the UTC hour and minute to get JST.
  • PST to IST Converter
    Convert PST (Pacific Standard Time) to IST (India Standard Time) instantly. IST is 13 hours 30 minutes ahead of PST. Enter any time to get the result.
  • Half Your Age Plus Seven Dating Rule Calculator
    Apply the popular "half your age plus seven" dating rule. Enter your age to find the youngest and oldest partner age considered socially acceptable.
  • Average Age Calculator
    Calculate the average (mean) age of a group instantly. Enter each person's age, separated by commas, to get the mean, total, youngest and oldest.
  • Countdown to Date Calculator
    Countdown to any date and time. See the exact days, hours, minutes and seconds remaining — or how long ago a past date occurred.
  • Countdown to New Year Calculator
    Find out exactly how many days, hours, minutes and seconds remain until January 1 of next year from any chosen date and time.
  • Meeting Time Across Time Zones Calculator
    Convert a meeting time from one city to another using UTC offsets. Instantly see the local time in City B and whether it falls on a different day.
  • Seconds to Hours Calculator
    Convert seconds to hours instantly. Enter any number of seconds and get the exact hours (and minutes) using hours = seconds ÷ 3600.
  • Minutes to Seconds Calculator
    Convert minutes to seconds instantly. Enter any number of minutes and get the exact equivalent in seconds using seconds = minutes × 60.
  • Days Until Christmas Calculator
    Find out how many days until Christmas (December 25). Enter any start date for an instant countdown showing days and weeks until the holiday.
  • Work Hours Calculator with Lunch Break
    Calculate net work hours from clock-in and clock-out times after subtracting your lunch break. Supports overnight shifts. Free and instant.
  • Seed Starting Date Calculator
    Find exactly when to start seeds indoors. Enter your last frost date and the weeks-before figure from your seed packet to get the sowing date.
  • Time Zone Difference Calculator
    Calculate the time difference between two time zones using UTC offsets, and convert an origin local time into the destination's local time instantly.
  • How Many Days Old Am I?
    Find out exactly how many days, weeks, and hours old you are. Enter your birthdate and a reference date to calculate your age in days.
  • Intermittent Fasting Window Calculator
    Plan your intermittent fasting schedule. Enter your eating window start time and pick 16:8, 18:6, 20:4 or 14:10 to see when fasting begins and ends.
  • Time Ago Calculator
    Calculate how long ago a date and time was, broken into years, months, days, hours and minutes — or count time until a future moment.
  • Working Days in a Month Calculator
    Find the number of working (business) days in any month and year. Counts Monday–Friday by subtracting Saturdays and Sundays from total days.
  • Countdown to Eclipse or Event
    Count down to any eclipse, launch, or special event. Enter a target date and time (UTC) to see the exact days, hours, minutes, and seconds remaining.

Categories