"Fri, 17 May 2024 09:40:23"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240517
Only TIME
09:40:23
General datetime
2024-05-17 09:40:23Z
For Database
2024-05-17 09:40:23
For HTTP1.1
Fri, 17 May 2024 09:40:23 GMT