"Fri, 03 May 2024 14:10:21"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240503
Only TIME
14:10:21
General datetime
2024-05-03 14:10:21Z
For Database
2024-05-03 14:10:21
For HTTP1.1
Fri, 03 May 2024 14:10:21 GMT