"Fri, 17 May 2024 20:20:08"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240517
Only TIME
20:20:08
General datetime
2024-05-17 20:20:08Z
For Database
2024-05-17 20:20:08
For HTTP1.1
Fri, 17 May 2024 20:20:08 GMT