"Sat, 11 Jan 2025 20:38:40"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250111
Only TIME
20:38:40
General datetime
2025-01-11 20:38:40Z
For Database
2025-01-11 20:38:40
For HTTP1.1
Sat, 11 Jan 2025 20:38:40 GMT