"Sun, 12 Jan 2025 18:59:03"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250112
Only TIME
18:59:03
General datetime
2025-01-12 18:59:03Z
For Database
2025-01-12 18:59:03
For HTTP1.1
Sun, 12 Jan 2025 18:59:03 GMT