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Convert Unix timestamps and dates online while checking seconds, milliseconds, time zones, and precision. 日本語 locale.
Make HTML structure easier to inspect
This tool converts between Unix timestamps and human-readable date and time values. A Unix timestamp counts elapsed time f...
Formatting is not HTML validation
Timestamp formats commonly use seconds or milliseconds since the Unix epoch. Dates may include an offset, a named time zon...
How to format HTML
- Choose the direction, enter the timestamp or date, select the unit and time zone when available, and inspect the result. C...
- Choose the direction, enter the timestamp or date, select the unit and time zone when available, and inspect the result. C...
Formatting method
- Read markup structure
The converter parses the input, applies the selected epoch and unit, and formats the instant using the requested time zone...
- Apply indentation
The converter parses the input, applies the selected epoch and unit, and formats the instant using the requested time zone...
- Preserve content
The converter parses the input, applies the selected epoch and unit, and formats the instant using the requested time zone...
Exact parser recovery, optional-tag handling, whitespace policy, embedded-language behavior, and error wording should be c...
Read the formatted result
A reliable conversion states the unit, epoch, offset, and precision clearly. Around daylight-saving transitions, the same ...
よくある間違い
Common mistakes include confusing seconds with milliseconds, treating local time as UTC, ignoring offsets, rounding fracti...
Common mistakes include confusing seconds with milliseconds, treating local time as UTC, ignoring offsets, rounding fracti...
制限と特殊なケース
The converter does not know the clock source, correct a wrong timestamp, infer an unstated time zone, or guarantee applica...
The converter does not know the clock source, correct a wrong timestamp, infer an unstated time zone, or guarantee applica...
Examples
Timestamp Converter online — 1
What is a Unix timestamp?
Choose the direction, enter the timestamp or date, select the unit and time zone when available, and inspect the result. C...
A reliable conversion states the unit, epoch, offset, and precision clearly. Around daylight-saving transitions, the same ...
Timestamp Converter online — 2
Are timestamps seconds or milliseconds?
Choose the direction, enter the timestamp or date, select the unit and time zone when available, and inspect the result. C...
A reliable conversion states the unit, epoch, offset, and precision clearly. Around daylight-saving transitions, the same ...
Timestamp Converter online — 3
Does the tool use UTC?
Choose the direction, enter the timestamp or date, select the unit and time zone when available, and inspect the result. C...
A reliable conversion states the unit, epoch, offset, and precision clearly. Around daylight-saving transitions, the same ...
Timestamp Converter online — 4
Why is local time different?
Choose the direction, enter the timestamp or date, select the unit and time zone when available, and inspect the result. C...
A reliable conversion states the unit, epoch, offset, and precision clearly. Around daylight-saving transitions, the same ...
Timestamp Converter online — 5
What happens during daylight saving?
Choose the direction, enter the timestamp or date, select the unit and time zone when available, and inspect the result. C...
A reliable conversion states the unit, epoch, offset, and precision clearly. Around daylight-saving transitions, the same ...
Timestamp Converter online — 6
Can it preserve milliseconds?
Choose the direction, enter the timestamp or date, select the unit and time zone when available, and inspect the result. C...
A reliable conversion states the unit, epoch, offset, and precision clearly. Around daylight-saving transitions, the same ...
Frequently asked questions
What is a Unix timestamp?
State the epoch, unit, precision, and time zone. Store an unambiguous instant and apply display zones only at the interfac...
Are timestamps seconds or milliseconds?
State the epoch, unit, precision, and time zone. Store an unambiguous instant and apply display zones only at the interfac...
Does the tool use UTC?
State the epoch, unit, precision, and time zone. Store an unambiguous instant and apply display zones only at the interfac...
Why is local time different?
State the epoch, unit, precision, and time zone. Store an unambiguous instant and apply display zones only at the interfac...
What happens during daylight saving?
State the epoch, unit, precision, and time zone. Store an unambiguous instant and apply display zones only at the interfac...
Can it preserve milliseconds?
State the epoch, unit, precision, and time zone. Store an unambiguous instant and apply display zones only at the interfac...
Can a timestamp prove event order?
State the epoch, unit, precision, and time zone. Store an unambiguous instant and apply display zones only at the interfac...
How should I store dates?
State the epoch, unit, precision, and time zone. Store an unambiguous instant and apply display zones only at the interfac...