Timestamp guide
Milliseconds vs seconds
Unix timestamp seconds are usually 10 digits today. Unix timestamp milliseconds are usually 13 digits today.
Unix epoch seconds count whole seconds since 1970-01-01T00:00:00Z. JavaScript dates usually store epoch milliseconds, so a browser timestamp from Date.now() is 1,000 times larger.
1719504000is seconds.1719504000000is milliseconds.- To convert seconds to milliseconds, multiply by 1,000.
- To convert milliseconds to seconds, divide by 1,000 and round as needed.