"Fri, 31 May 2024 18:14:39"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240531
Only TIME
18:14:39
General datetime
2024-05-31 18:14:39Z
For Database
2024-05-31 18:14:39
For HTTP1.1
Fri, 31 May 2024 18:14:39 GMT