"Mon, 20 Jan 2025 05:45:15"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250120
Only TIME
05:45:15
General datetime
2025-01-20 05:45:15Z
For Database
2025-01-20 05:45:15
For HTTP1.1
Mon, 20 Jan 2025 05:45:15 GMT