"Mon, 21 Oct 2024 20:16:04"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241021
Only TIME
20:16:04
General datetime
2024-10-21 20:16:04Z
For Database
2024-10-21 20:16:04
For HTTP1.1
Mon, 21 Oct 2024 20:16:04 GMT