"Sat, 15 Jun 2024 12:53:39"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240615
Only TIME
12:53:39
General datetime
2024-06-15 12:53:39Z
For Database
2024-06-15 12:53:39
For HTTP1.1
Sat, 15 Jun 2024 12:53:39 GMT