"Sat, 18 Jan 2025 04:18:25"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250118
Only TIME
04:18:25
General datetime
2025-01-18 04:18:25Z
For Database
2025-01-18 04:18:25
For HTTP1.1
Sat, 18 Jan 2025 04:18:25 GMT