"Sat, 15 Jun 2024 11:20:47"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240615
Only TIME
11:20:47
General datetime
2024-06-15 11:20:47Z
For Database
2024-06-15 11:20:47
For HTTP1.1
Sat, 15 Jun 2024 11:20:47 GMT