"Sat, 15 Jun 2024 17:22:30"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240615
Only TIME
17:22:30
General datetime
2024-06-15 17:22:30Z
For Database
2024-06-15 17:22:30
For HTTP1.1
Sat, 15 Jun 2024 17:22:30 GMT