"Fri, 17 May 2024 18:23:40"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240517
Only TIME
18:23:40
General datetime
2024-05-17 18:23:40Z
For Database
2024-05-17 18:23:40
For HTTP1.1
Fri, 17 May 2024 18:23:40 GMT