"Sat, 04 Jan 2025 20:06:23"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250104
Only TIME
20:06:23
General datetime
2025-01-04 20:06:23Z
For Database
2025-01-04 20:06:23
For HTTP1.1
Sat, 04 Jan 2025 20:06:23 GMT