"Wed, 03 Apr 2024 18:21:20"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240403
Only TIME
18:21:20
General datetime
2024-04-03 18:21:20Z
For Database
2024-04-03 18:21:20
For HTTP1.1
Wed, 03 Apr 2024 18:21:20 GMT