"Sat, 15 Jun 2024 10:59:12"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240615
Only TIME
10:59:12
General datetime
2024-06-15 10:59:12Z
For Database
2024-06-15 10:59:12
For HTTP1.1
Sat, 15 Jun 2024 10:59:12 GMT