"Sat, 18 Jan 2025 06:12:09"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250118
Only TIME
06:12:09
General datetime
2025-01-18 06:12:09Z
For Database
2025-01-18 06:12:09
For HTTP1.1
Sat, 18 Jan 2025 06:12:09 GMT