"Mon, 20 Jan 2025 23:17:45"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250120
Only TIME
23:17:45
General datetime
2025-01-20 23:17:45Z
For Database
2025-01-20 23:17:45
For HTTP1.1
Mon, 20 Jan 2025 23:17:45 GMT