"Sun, 19 Jan 2025 17:59:59"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250119
Only TIME
17:59:59
General datetime
2025-01-19 17:59:59Z
For Database
2025-01-19 17:59:59
For HTTP1.1
Sun, 19 Jan 2025 17:59:59 GMT