"Sat, 18 Jan 2025 01:49:20"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250118
Only TIME
01:49:20
General datetime
2025-01-18 01:49:20Z
For Database
2025-01-18 01:49:20
For HTTP1.1
Sat, 18 Jan 2025 01:49:20 GMT