"Mon, 27 Jan 2025 11:18:45"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250127
Only TIME
11:18:45
General datetime
2025-01-27 11:18:45Z
For Database
2025-01-27 11:18:45
For HTTP1.1
Mon, 27 Jan 2025 11:18:45 GMT