"Sat, 04 Jan 2025 04:18:23"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250104
Only TIME
04:18:23
General datetime
2025-01-04 04:18:23Z
For Database
2025-01-04 04:18:23
For HTTP1.1
Sat, 04 Jan 2025 04:18:23 GMT