"Mon, 21 Oct 2024 19:54:20"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241021
Only TIME
19:54:20
General datetime
2024-10-21 19:54:20Z
For Database
2024-10-21 19:54:20
For HTTP1.1
Mon, 21 Oct 2024 19:54:20 GMT