"Mon, 27 Jan 2025 04:30:12"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250127
Only TIME
04:30:12
General datetime
2025-01-27 04:30:12Z
For Database
2025-01-27 04:30:12
For HTTP1.1
Mon, 27 Jan 2025 04:30:12 GMT