"Sat, 11 Jan 2025 13:42:43"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250111
Only TIME
13:42:43
General datetime
2025-01-11 13:42:43Z
For Database
2025-01-11 13:42:43
For HTTP1.1
Sat, 11 Jan 2025 13:42:43 GMT