"Sat, 29 Jun 2024 11:33:33"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240629
Only TIME
11:33:33
General datetime
2024-06-29 11:33:33Z
For Database
2024-06-29 11:33:33
For HTTP1.1
Sat, 29 Jun 2024 11:33:33 GMT