"Sat, 08 Jun 2024 08:00:20"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240608
Only TIME
08:00:20
General datetime
2024-06-08 08:00:20Z
For Database
2024-06-08 08:00:20
For HTTP1.1
Sat, 08 Jun 2024 08:00:20 GMT