"Sat, 29 Jun 2024 22:15:56"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240629
Only TIME
22:15:56
General datetime
2024-06-29 22:15:56Z
For Database
2024-06-29 22:15:56
For HTTP1.1
Sat, 29 Jun 2024 22:15:56 GMT