"Fri, 24 May 2024 18:43:21"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240524
Only TIME
18:43:21
General datetime
2024-05-24 18:43:21Z
For Database
2024-05-24 18:43:21
For HTTP1.1
Fri, 24 May 2024 18:43:21 GMT