"Sat, 04 Jan 2025 04:39:25"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250104
Only TIME
04:39:25
General datetime
2025-01-04 04:39:25Z
For Database
2025-01-04 04:39:25
For HTTP1.1
Sat, 04 Jan 2025 04:39:25 GMT