"Sat, 29 Jun 2024 05:21:56"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240629
Only TIME
05:21:56
General datetime
2024-06-29 05:21:56Z
For Database
2024-06-29 05:21:56
For HTTP1.1
Sat, 29 Jun 2024 05:21:56 GMT