Every tool on parsetime
Converters and decoders for every way a timestamp gets written: standard formats, the identifier schemes that smuggle a date inside an ID, timezone conversions, and live clocks. All free, no signup, and everything runs in your browser. Each one is also available as JSON through the API.
Timestamp decoders
IDs and serial numbers that carry their creation time inside them.
Snowflake ID to timestampConvert a Discord snowflake ID to the exact date and time it was created. Works for user, message, and server IDs. Free, instant, in your browser.Excel serial date to real dateConvert an Excel serial date number like 45261 to a real date and time. Handles time-of-day fractions and explains the 1900 leap-year quirk..NET ticks to dateConvert a .NET DateTime.Ticks value (100-nanosecond intervals since year 0001) to a readable date, Unix timestamp, and ISO 8601, instantly.LDAP timestamp to dateConvert an 18-digit LDAP / Active Directory timestamp (Windows FILETIME) like lastLogon or pwdLastSet to a readable date and your timezone.Chrome (WebKit) timestamp to dateConvert a 17-digit Chrome/WebKit timestamp from a History or Cookies database to a readable date. Microseconds since 1601, decoded instantly.MongoDB ObjectId to timestampExtract the creation time from a MongoDB ObjectId. The first 4 bytes are a Unix timestamp; paste an ObjectId to see when the document was created.UUID or ULID to timestampExtract the embedded timestamp from a UUID (v1, v6, v7) or ULID. Paste an id and see exactly when it was generated. Free and in your browser.Cocoa timestamp to dateConvert an Apple Cocoa / Core Data timestamp (seconds since 2001-01-01, also called Mac Absolute Time) to a readable date and your timezone.Hex timestamp to dateConvert a hexadecimal Unix timestamp like 0x6553f400 to a readable date. Detects seconds vs milliseconds automatically. Free, instant, in-browser.
Date calculators & schedule tools
Date arithmetic, week numbers, cron schedules, and Discord timestamps.
Days between two datesCount the days between two dates, plus weeks, months, years, and weekdays only. Free date duration calculator that handles leap years correctly.Add days to a dateAdd or subtract days, weeks, months, or years from any date and get the resulting date with its weekday. Free, instant, leap-year aware.What week of the year is it?Get the ISO 8601 week number for today or any date, plus the US Sunday-start convention, which often differs. Free week number calculator.Day of the yearWhat day of the year is it? Get the day number (1–366) for today or any date, days remaining in the year, and the ISO week. Free and instant.Cron expression parserPaste a cron expression and get it explained in plain English, with the next 10 run times in any timezone. Handles names, steps, ranges, and DST.Discord timestamp generatorGenerate Discord dynamic timestamps (<t:unix:R> markup) for any date. All 7 styles with live previews and one-click copy. Free, in your browser.
Format converters
The standard ways of writing a moment in time.
Unix timestamp converterConvert a Unix timestamp (epoch seconds, milliseconds, microseconds, or nanoseconds) to a human-readable date in your timezone, UTC, and ISO 8601.Epoch time converterConvert epoch time to a human date and back. Supports epoch seconds and milliseconds, with output in your timezone, UTC, ISO 8601, and Unix time.ISO 8601 timestamp converterConvert an ISO 8601 timestamp (like 2026-06-01T11:10:52Z) to your local timezone, UTC, Unix time, and other cities, instantly, in your browser.Milliseconds (epoch) to dateConvert epoch milliseconds (a 13-digit timestamp like 1700000000000) to a human-readable date in your timezone, UTC, and ISO 8601.Date to Unix timestampConvert a human date or ISO string to a Unix timestamp (epoch seconds and milliseconds), plus UTC and your local time.
Timestamps in your language
Copy-paste snippets: current timestamp, convert, and parse, with the gotchas.
Timezone conversions
Convert a timestamp between two specific zones.
UTC to ESTUTC to CSTUTC to MSTUTC to PSTUTC to GMTUTC to CETUTC to ISTUTC to JSTUTC to AESTEST to UTCPST to UTCIST to UTCGMT to UTCEST to PSTPST to ESTEST to CSTCST to ESTEST to MSTPST to CSTIST to ESTEST to ISTIST to PSTPST to ISTGMT to CETCET to GMTLondon to New YorkNew York to LondonLondon to TokyoTokyo to LondonLondon to SydneySydney to LondonNew York to TokyoTokyo to New YorkLondon to DubaiDubai to LondonSingapore to LondonLondon to SingaporeLos Angeles to TokyoNew York to ParisSydney to New York
Live clocks
The current time, anywhere.
Time in UTCTime in GMTTime in ESTTime in PSTTime in CSTTime in MSTTime in ISTTime in JSTTime in CETTime in AESTTime in New YorkTime in Los AngelesTime in ChicagoTime in DenverTime in LondonTime in ParisTime in BerlinTime in MadridTime in RomeTime in AmsterdamTime in DublinTime in LisbonTime in MoscowTime in UkraineTime in PolandTime in IstanbulTime in DubaiTime in IndiaTime in PakistanTime in BangladeshTime in ChinaTime in Hong KongTime in SingaporeTime in TokyoTime in JapanTime in South KoreaTime in the PhilippinesTime in JakartaTime in BangkokTime in IsraelTime in SydneyTime in MelbourneTime in PerthTime in New ZealandTime in TorontoTime in VancouverTime in Mexico CityTime in BrazilTime in ArgentinaTime in EgyptTime in NigeriaTime in KenyaTime in South AfricaTime in HawaiiTime in Alaska