"Sun, 19 Jan 2025 12:50:40"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250119
Only TIME
12:50:40
General datetime
2025-01-19 12:50:40Z
For Database
2025-01-19 12:50:40
For HTTP1.1
Sun, 19 Jan 2025 12:50:40 GMT