"Fri, 12 Jul 2024 13:39:20"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240712
Only TIME
13:39:20
General datetime
2024-07-12 13:39:20Z
For Database
2024-07-12 13:39:20
For HTTP1.1
Fri, 12 Jul 2024 13:39:20 GMT