"Mon, 27 Jan 2025 23:47:49"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250127
Only TIME
23:47:49
General datetime
2025-01-27 23:47:49Z
For Database
2025-01-27 23:47:49
For HTTP1.1
Mon, 27 Jan 2025 23:47:49 GMT