"Mon, 20 Jan 2025 23:23:04"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250120
Only TIME
23:23:04
General datetime
2025-01-20 23:23:04Z
For Database
2025-01-20 23:23:04
For HTTP1.1
Mon, 20 Jan 2025 23:23:04 GMT