"Mon, 27 Jan 2025 18:00:05"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250127
Only TIME
18:00:05
General datetime
2025-01-27 18:00:05Z
For Database
2025-01-27 18:00:05
For HTTP1.1
Mon, 27 Jan 2025 18:00:05 GMT