"Fri, 03 May 2024 20:00:20"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240503
Only TIME
20:00:20
General datetime
2024-05-03 20:00:20Z
For Database
2024-05-03 20:00:20
For HTTP1.1
Fri, 03 May 2024 20:00:20 GMT