"Fri, 17 May 2024 17:02:38"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240517
Only TIME
17:02:38
General datetime
2024-05-17 17:02:38Z
For Database
2024-05-17 17:02:38
For HTTP1.1
Fri, 17 May 2024 17:02:38 GMT