"Thu, 23 May 2024 22:21:21"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240523
Only TIME
22:21:21
General datetime
2024-05-23 22:21:21Z
For Database
2024-05-23 22:21:21
For HTTP1.1
Thu, 23 May 2024 22:21:21 GMT