"Fri, 12 Jul 2024 18:17:21"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240712
Only TIME
18:17:21
General datetime
2024-07-12 18:17:21Z
For Database
2024-07-12 18:17:21
For HTTP1.1
Fri, 12 Jul 2024 18:17:21 GMT