"Sat, 29 Jun 2024 20:20:32"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240629
Only TIME
20:20:32
General datetime
2024-06-29 20:20:32Z
For Database
2024-06-29 20:20:32
For HTTP1.1
Sat, 29 Jun 2024 20:20:32 GMT