"Mon, 21 Oct 2024 17:21:03"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241021
Only TIME
17:21:03
General datetime
2024-10-21 17:21:03Z
For Database
2024-10-21 17:21:03
For HTTP1.1
Mon, 21 Oct 2024 17:21:03 GMT