"Sun, 19 Jan 2025 03:20:03"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250119
Only TIME
03:20:03
General datetime
2025-01-19 03:20:03Z
For Database
2025-01-19 03:20:03
For HTTP1.1
Sun, 19 Jan 2025 03:20:03 GMT