Date & Time

Free date and time tools

Convert Unix timestamps into readable dates and convert dates back into timestamps directly in your browser. These tools are useful for debugging logs, APIs, databases and scheduled events.

Available date and time tools

Unix Timestamp Converter

Convert Unix timestamps to readable dates and back.

Time Zone Converter

Convert dates and times across time zones with a visual timeline and UTC offsets.

ISO8601 Validator

Validate ISO8601 dates and datetimes, inspect timezone offsets and convert to UTC and Unix timestamps.

Understand timestamps without mental gymnastics

Unix timestamps are common in APIs, databases, logs and backend systems, but they are not pleasant to read by eye. CalcolaFacile helps you quickly translate timestamps into human-readable dates and check date values before using them in code or documentation.