"Mon, 20 Jan 2025 23:14:50"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250120
Only TIME
23:14:50
General datetime
2025-01-20 23:14:50Z
For Database
2025-01-20 23:14:50
For HTTP1.1
Mon, 20 Jan 2025 23:14:50 GMT