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