"Sat, 08 Jun 2024 13:40:38"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240608
Only TIME
13:40:38
General datetime
2024-06-08 13:40:38Z
For Database
2024-06-08 13:40:38
For HTTP1.1
Sat, 08 Jun 2024 13:40:38 GMT