"Sat, 04 Jan 2025 23:27:40"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250104
Only TIME
23:27:40
General datetime
2025-01-04 23:27:40Z
For Database
2025-01-04 23:27:40
For HTTP1.1
Sat, 04 Jan 2025 23:27:40 GMT