"Mon, 20 Jan 2025 14:43:25"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250120
Only TIME
14:43:25
General datetime
2025-01-20 14:43:25Z
For Database
2025-01-20 14:43:25
For HTTP1.1
Mon, 20 Jan 2025 14:43:25 GMT