"Sat, 18 Jan 2025 05:21:47"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250118
Only TIME
05:21:47
General datetime
2025-01-18 05:21:47Z
For Database
2025-01-18 05:21:47
For HTTP1.1
Sat, 18 Jan 2025 05:21:47 GMT