"Mon, 20 Jan 2025 20:22:37"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250120
Only TIME
20:22:37
General datetime
2025-01-20 20:22:37Z
For Database
2025-01-20 20:22:37
For HTTP1.1
Mon, 20 Jan 2025 20:22:37 GMT