• Date & Time to Unix Timestamp Converter
    Convert any UTC date and time into a Unix epoch timestamp (seconds and milliseconds since January 1, 1970). Fast, accurate, free.
  • 12-Hour to 24-Hour Time Converter
    Convert 12-hour AM/PM clock time to 24-hour military time instantly. Enter the hour, minute and AM or PM to get the exact 24-hour equivalent.
  • Pace Calculator
    Free pace calculator: enter your time and distance to find your running pace per mile or kilometer plus your average speed in mph or km/h.
  • CET to EST Time Converter
    Convert Central European Time (CET) to Eastern Standard Time (EST) instantly. CET is 6 hours ahead of EST. Enter a CET time to get the EST equivalent.
  • Unix Timestamp to Local Time Converter
    Convert a Unix timestamp (epoch seconds) to a readable local date and time for any UTC offset. Get the date, time, and day of the week instantly.
  • Decimal Time to Hours and Minutes Converter
    Convert decimal hours into hours and minutes instantly. Enter a value like 2.75 to get 2 hours 45 minutes — perfect for timesheets and payroll.
  • UTC to AEST Converter
    Convert UTC to AEST (Australian Eastern Standard Time, UTC+10). Enter any UTC time and instantly get the equivalent AEST time with day rollover.
  • UTC to BST Converter
    Convert UTC time to British Summer Time (BST) instantly. BST = UTC + 1 hour, used in the UK during daylight saving (late March to late October).
  • UTC to KST Converter
    Convert UTC time to Korea Standard Time (KST) instantly. KST is UTC+9 with no daylight saving. Enter a UTC hour and minute to get the KST time.
  • IST to GMT Converter
    Convert Indian Standard Time (IST, UTC+5:30) to Greenwich Mean Time (GMT, UTC+0). Enter an IST time and instantly get the GMT equivalent.
  • IST to CST Time Converter
    Convert India Standard Time (IST) to Central Standard Time (CST) instantly. IST is UTC+5:30 and CST is UTC−6, an 11.5-hour difference.
  • PST to CST Time Converter
    Convert Pacific Standard Time (PST) to Central Standard Time (CST) instantly. CST is 2 hours ahead of PST. Enter any hour and minute to get the result.
  • CST to PST Converter
    Convert Central Standard Time (CST) to Pacific Standard Time (PST) instantly. PST is 2 hours behind CST. Enter the CST hour and minute to get PST.
  • EST to MST Converter
    Convert Eastern Standard Time (EST) to Mountain Standard Time (MST) instantly. EST is 2 hours ahead of MST. Enter any hour and minute.
  • EST to GMT Converter
    Convert Eastern Standard Time (EST, UTC-5) to Greenwich Mean Time (GMT, UTC+0). Enter an EST time and get the exact GMT clock time by adding 5 hours.
  • Social Security Full Retirement Age Calculator
    US Social Security tool: enter your birth year to find your full retirement age (FRA) when you qualify for 100% unreduced retirement benefits.
  • Weeks Pregnant Calculator
    Find out how many weeks pregnant you are today. Calculate gestational age in weeks and days from your last menstrual period (LMP) date.
  • Time Card Calculator with Lunch Break
    Free time card calculator with lunch break. Enter clock-in, clock-out and break minutes to get net worked hours instantly. Handles overnight shifts.
  • How Many Hours Until a Time
    Find out how many hours and minutes are left until a target time of day. Wraps to the next day automatically if the time has already passed.
  • Hours and Minutes to Decimal Calculator
    Convert hours and minutes into decimal hours instantly. Enter time like 8h 30m to get 8.5 decimal hours for payroll, timesheets, and billing.
  • Days Ago Calculator
    Find out what date it was N days ago. Enter the number of days and get the exact past date, weekday, and ISO format instantly.
  • Weeks Between Dates Calculator
    Calculate the exact number of weeks and days between two dates. Enter a start and end date to get total weeks, remainder days, and decimal weeks.
  • Days Until My Exam Calculator
    Count the days until your exam with this free study countdown. Enter your exam date to see days, weeks left, and total planned study hours.
  • Sleep Cycle Calculator
    Free sleep cycle calculator. Find the best bedtime or wake-up time based on 90-minute sleep cycles plus the time it takes you to fall asleep.