"Sat, 15 Jun 2024 18:22:32"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240615
Only TIME
18:22:32
General datetime
2024-06-15 18:22:32Z
For Database
2024-06-15 18:22:32
For HTTP1.1
Sat, 15 Jun 2024 18:22:32 GMT