"Fri, 03 Jan 2025 13:15:20"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250103
Only TIME
13:15:20
General datetime
2025-01-03 13:15:20Z
For Database
2025-01-03 13:15:20
For HTTP1.1
Fri, 03 Jan 2025 13:15:20 GMT