"Sat, 15 Jun 2024 13:06:32"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240615
Only TIME
13:06:32
General datetime
2024-06-15 13:06:32Z
For Database
2024-06-15 13:06:32
For HTTP1.1
Sat, 15 Jun 2024 13:06:32 GMT