"Sat, 04 Jan 2025 04:30:30"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250104
Only TIME
04:30:30
General datetime
2025-01-04 04:30:30Z
For Database
2025-01-04 04:30:30
For HTTP1.1
Sat, 04 Jan 2025 04:30:30 GMT