Dates & time
Work across dates, durations and time zones.
Unix Timestamp Converter
Tool: Dates & timeConvert Unix seconds or milliseconds into a readable date, or turn an ISO time into an epoch value.
Calendar Event File Generator
Tool: Dates & timeCreate a downloadable calendar invitation without connecting to a calendar account.
Date Addition and Subtraction
Tool: Dates & timeMove a calendar date forwards or backwards by days, weeks, months or years.
Date Difference Calculator
Tool: Dates & timeFind elapsed days, calendar years/months/days and the weekday count between dates.
Date Format Parser and Converter
Tool: Dates & timeParse a date using an explicit format and print it in a chosen output format.
Event countdown
Tool: Dates & timeCount down to a date and time in your device time zone, with days, hours, minutes and seconds.
ISO Week Date Converter
Tool: Dates & timeConvert a calendar date into its ISO week-year, or resolve an ISO week date.
Meeting Time Planner
Tool: Dates & timeFind shared working-time slots for several time zones on a selected UTC day.
Random date generator
Tool: Dates & timePick random calendar dates in a range, with optional weekday filtering, unique dates and a CSV download.
Random time generator
Tool: Dates & timePick random times to the minute within a chosen interval, including an overnight range, and download the list.
Recurring Dates Generator
Tool: Dates & timeGenerate a bounded series of dates at daily, weekly, monthly or yearly intervals.
Time Duration Calculator
Tool: Dates & timeAdd and subtract signed clock durations and view total seconds, minutes and decimal hours.
Time Zone Converter
Tool: Dates & timeConvert a clock time between named time zones with its correct daylight-saving offset.
Timesheet Hours Calculator
Tool: Dates & timeTotal work shifts and unpaid breaks, including shifts that cross midnight.
Working Days Calculator
Tool: Dates & timeCount working days or find a deadline using custom weekends and excluded dates.
Unix Timestamp Converter
Convert Unix seconds or milliseconds into a readable date, or turn an ISO time into an epoch value.
Calendar Event File Generator
Create a downloadable calendar invitation without connecting to a calendar account.
Date Addition and Subtraction
Move a calendar date forwards or backwards by days, weeks, months or years.
Date Difference Calculator
Find elapsed days, calendar years/months/days and the weekday count between dates.
Date Format Parser and Converter
Parse a date using an explicit format and print it in a chosen output format.
Event countdown
Count down to a date and time in your device time zone, with days, hours, minutes and seconds.
ISO Week Date Converter
Convert a calendar date into its ISO week-year, or resolve an ISO week date.
Meeting Time Planner
Find shared working-time slots for several time zones on a selected UTC day.
Random date generator
Pick random calendar dates in a range, with optional weekday filtering, unique dates and a CSV download.
Random time generator
Pick random times to the minute within a chosen interval, including an overnight range, and download the list.
Recurring Dates Generator
Generate a bounded series of dates at daily, weekly, monthly or yearly intervals.
Time Duration Calculator
Add and subtract signed clock durations and view total seconds, minutes and decimal hours.
Time Zone Converter
Convert a clock time between named time zones with its correct daylight-saving offset.
Timesheet Hours Calculator
Total work shifts and unpaid breaks, including shifts that cross midnight.
Working Days Calculator
Count working days or find a deadline using custom weekends and excluded dates.