"Tue, 21 Jan 2025 04:18:41"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250121
Only TIME
04:18:41
General datetime
2025-01-21 04:18:41Z
For Database
2025-01-21 04:18:41
For HTTP1.1
Tue, 21 Jan 2025 04:18:41 GMT