Date and Time
5 toolsOnline date and time tools for the two conversions that come up most often when working with timestamps: turning a Unix timestamp into a readable UTC, local, or ISO 8601 date and back, and converting a date and time between any two IANA timezones with daylight saving time handled automatically. Both use only the browser's built-in date APIs — no timezone library, no server round trip. Developers reach for Unix Timestamp Converter when reading a raw epoch value out of a log file or database row, and Timezone Converter when scheduling something across time zones and needing the real UTC offset for that specific date, not just a zone's nominal offset, which shifts across a DST boundary. Both tools display the underlying UTC time alongside the converted result, so the conversion can always be verified rather than trusted blindly.
All Date and Time tools
Unix Timestamp Converter
Convert Unix timestamps to human-readable dates (UTC, local, ISO 8601) and back, both ways.
Open →Timezone Converter
Convert a date and time between any two IANA timezones, with UTC offsets and DST handled automatically.
Open →Date Duration Calculator
Calculate the duration between two dates — total days, weeks, months, years, and an exact breakdown, with an optional business-days count.
Open →Age Calculator
Calculate exact age in years, months, and days from a birth date, plus total time lived and next-birthday info.
Open →Countdown Timer
Count down to any date and time, live — with a shareable link and days/hours/minutes/seconds ticking in real time.
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