"Mon, 13 Jan 2025 04:39:03"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250113
Only TIME
04:39:03
General datetime
2025-01-13 04:39:03Z
For Database
2025-01-13 04:39:03
For HTTP1.1
Mon, 13 Jan 2025 04:39:03 GMT