"Sat, 29 Jun 2024 23:43:13"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240629
Only TIME
23:43:13
General datetime
2024-06-29 23:43:13Z
For Database
2024-06-29 23:43:13
For HTTP1.1
Sat, 29 Jun 2024 23:43:13 GMT