"Fri, 24 May 2024 18:21:39"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240524
Only TIME
18:21:39
General datetime
2024-05-24 18:21:39Z
For Database
2024-05-24 18:21:39
For HTTP1.1
Fri, 24 May 2024 18:21:39 GMT