"Tue, 19 Mar 2024 20:15:01"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240319
Only TIME
20:15:01
General datetime
2024-03-19 20:15:01Z
For Database
2024-03-19 20:15:01
For HTTP1.1
Tue, 19 Mar 2024 20:15:01 GMT