Timezone Calculator

  • 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.
  • Epoch Milliseconds to Date Converter
    Convert a Unix epoch timestamp in milliseconds to a human-readable UTC date and time (ISO 8601), with year, month, day, hour, minute and second breakdown.
  • 24-Hour to 12-Hour Time Converter
    Convert military 24-hour time to standard 12-hour AM/PM format instantly. Enter the hour and minute to see the equivalent clock time.
  • What Time Will It Be in X Hours?
    Find out what time it will be in X hours from any start time. Enter a start time and number of hours to get the result in 24-hour HH:MM format.
  • EDT to PDT Converter
    Convert Eastern Daylight Time (EDT) to Pacific Daylight Time (PDT) instantly. PDT = EDT − 3 hours. Enter any hour and minute to get the exact PDT time.
  • EST to UTC Converter
    Convert Eastern Standard Time (EST) to Coordinated Universal Time (UTC) instantly. EST is UTC−5, so UTC = EST + 5 hours (mod 24).
  • IST to UTC Converter
    Convert Indian Standard Time (IST) to Coordinated Universal Time (UTC). IST is UTC+5:30, so subtract 5 hours 30 minutes to get the UTC time instantly.
  • PST to UTC Converter
    Convert Pacific Standard Time (PST) to Coordinated Universal Time (UTC). Enter an hour and minute to instantly add the +8 hour offset.
  • Add or Subtract Hours from a Time Calculator
    Add or subtract hours from any start time and get the resulting clock time. Wraps correctly past midnight using a 24-hour, mod-1440 calculation.
  • 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.
  • 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).
  • 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.
  • 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).
  • Arrival Local Time Across Time Zones Calculator
    Calculate your arrival local time after a flight across time zones. Enter departure time, flight duration and UTC offsets to get destination local time and day offset.

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