"Sat, 18 Jan 2025 05:44:18"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250118
Only TIME
05:44:18
General datetime
2025-01-18 05:44:18Z
For Database
2025-01-18 05:44:18
For HTTP1.1
Sat, 18 Jan 2025 05:44:18 GMT