"Mon, 27 Jan 2025 07:37:40"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250127
Only TIME
07:37:40
General datetime
2025-01-27 07:37:40Z
For Database
2025-01-27 07:37:40
For HTTP1.1
Mon, 27 Jan 2025 07:37:40 GMT