"Fri, 08 Mar 2024 20:15:15"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240308
Only TIME
20:15:15
General datetime
2024-03-08 20:15:15Z
For Database
2024-03-08 20:15:15
For HTTP1.1
Fri, 08 Mar 2024 20:15:15 GMT