"Sat, 08 Jun 2024 20:00:48"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240608
Only TIME
20:00:48
General datetime
2024-06-08 20:00:48Z
For Database
2024-06-08 20:00:48
For HTTP1.1
Sat, 08 Jun 2024 20:00:48 GMT