"Sat, 18 Jan 2025 16:12:47"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250118
Only TIME
16:12:47
General datetime
2025-01-18 16:12:47Z
For Database
2025-01-18 16:12:47
For HTTP1.1
Sat, 18 Jan 2025 16:12:47 GMT