"Sat, 04 Jan 2025 09:40:06"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250104
Only TIME
09:40:06
General datetime
2025-01-04 09:40:06Z
For Database
2025-01-04 09:40:06
For HTTP1.1
Sat, 04 Jan 2025 09:40:06 GMT