"Sat, 15 Jun 2024 05:11:32"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240615
Only TIME
05:11:32
General datetime
2024-06-15 05:11:32Z
For Database
2024-06-15 05:11:32
For HTTP1.1
Sat, 15 Jun 2024 05:11:32 GMT