"Sat, 11 Jan 2025 13:15:11"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250111
Only TIME
13:15:11
General datetime
2025-01-11 13:15:11Z
For Database
2025-01-11 13:15:11
For HTTP1.1
Sat, 11 Jan 2025 13:15:11 GMT