"Mon, 06 Jan 2025 12:15:04"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250106
Only TIME
12:15:04
General datetime
2025-01-06 12:15:04Z
For Database
2025-01-06 12:15:04
For HTTP1.1
Mon, 06 Jan 2025 12:15:04 GMT