"Tue, 14 May 2024 22:17:21"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240514
Only TIME
22:17:21
General datetime
2024-05-14 22:17:21Z
For Database
2024-05-14 22:17:21
For HTTP1.1
Tue, 14 May 2024 22:17:21 GMT