"Mon, 21 Oct 2024 09:55:39"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241021
Only TIME
09:55:39
General datetime
2024-10-21 09:55:39Z
For Database
2024-10-21 09:55:39
For HTTP1.1
Mon, 21 Oct 2024 09:55:39 GMT