"Tue, 28 May 2024 20:20:21"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240528
Only TIME
20:20:21
General datetime
2024-05-28 20:20:21Z
For Database
2024-05-28 20:20:21
For HTTP1.1
Tue, 28 May 2024 20:20:21 GMT