Date & Time Converter
Unix timestamps, epoch milliseconds, ISO validation, date diffs, age, and timezones.
Converting dates, timestamps, and timezones
Logs, databases, and APIs mix Unix seconds, millisecond epochs, and ISO-8601 strings with Z or offset suffixes. Converters translate between representations for incident timelines and scheduled job debugging.
Daylight saving transitions create ambiguous local times; prefer UTC storage in systems and convert for display. Age and date-diff modes need explicit inclusive versus exclusive day boundaries documented in tests.
ISO validation catches missing timezone offsets that cause off-by-hours bugs when parsers assume local time.
Convert timestamps locally on logs referencing unreleased deployments. No upload required for epoch math during bridge calls.
Reference Guide
Tech tool - all processing runs locally in your browser. No data is sent to a server.
Operation: timestamp-convert
Paste input, click Run, and copy the result. For two-input tools, fill both fields before running.
Example Input
1700000000
A sample loads automatically when you open this tool. Use Load Sample to reset it.