バージョン 1.0.0公開日: 2026年6月15日新機能Conversion between Unix timestamps and dates in both directions.Seconds and milliseconds, detected automatically.Date input, time zone selection, "Calculate" to add or subtract time spans, "Paste", "Copy" and "Copy link".English and German interface, with system, light and dark color scheme.Collapsible information section, also operable with the keyboard.バグ修正An empty "Year" field produced a timestamp for the year zero.