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Unix timestamps count time from 1 January 1970 at 00:00:00 UTC. The decoded result shows UTC and your browser’s local timezone. Local dates around daylight-saving transitions can be ambiguous; use the UTC output to confirm.
Frequently asked questions
Should I choose seconds or milliseconds?
Many APIs use seconds, while JavaScript commonly uses milliseconds. Check the source documentation rather than relying only on digit length.
Is this tool free?
Yes. There is no account, payment or software download required to use this tool.