"Mon, 06 Jan 2025 12:15:06"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250106
Only TIME
12:15:06
General datetime
2025-01-06 12:15:06Z
For Database
2025-01-06 12:15:06
For HTTP1.1
Mon, 06 Jan 2025 12:15:06 GMT