"Sat, 18 Jan 2025 01:45:36"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250118
Only TIME
01:45:36
General datetime
2025-01-18 01:45:36Z
For Database
2025-01-18 01:45:36
For HTTP1.1
Sat, 18 Jan 2025 01:45:36 GMT