Time and Date

  • Days Until Mother's Day Calculator
    Count the days until Mother's Day, the 2nd Sunday in May. Pick any year and start date to find the exact date and countdown in days.
  • Days Until Father's Day Calculator
    Count the days until Father's Day, observed on the third Sunday in June (US/UK). Enter a year for an instant countdown to the date.
  • Passport Six-Month Validity Checker
    Check if your passport meets the 6-month validity rule for your trip. Enter travel and expiry dates to see if you can travel and your buffer in days.
  • Schengen 90/180 Day Stay Calculator
    Check your Schengen Area 90/180 rule compliance. Enter trips and a reference date to see days used in the trailing 180-day window and days remaining.
  • Date Difference Calculator
    Find the number of days, weeks, months and years between two dates. Free date difference calculator showing the exact gap between any start and end date.
  • Intermittent Fasting Time Calculator
    Calculate when your fast ends and your eating window opens and closes based on your last meal and chosen fasting schedule like 16:8 or 18:6.
  • Half-Life Time Calculator
    Calculate the time required for a substance to decay from an initial quantity to a remaining amount using its half-life and the decay formula.
  • Time and a Half Calculator
    Calculate time and a half overtime pay. Enter your hourly rate, regular hours, and overtime hours to see your 1.5× overtime rate and total pay.
  • Jet Lag Recovery Calculator
    Estimate how many days you need to recover from jet lag based on time zones crossed and travel direction (eastward vs westward).
  • Weekly Overtime Calculator
    Calculate regular pay, overtime pay and total weekly earnings using the 40-hour threshold (US FLSA standard). Enter hours, rate and OT multiplier.
  • Local Time to UTC Converter
    Convert a local time to UTC using any timezone offset. Enter the hour, minute, and UTC offset (e.g. -5 or +5.5) to get the equivalent Coordinated Universal Time.
  • 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.

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