"Sat, 08 Jun 2024 20:14:37"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240608
Only TIME
20:14:37
General datetime
2024-06-08 20:14:37Z
For Database
2024-06-08 20:14:37
For HTTP1.1
Sat, 08 Jun 2024 20:14:37 GMT