Tools工具
Twilight Phases Calculator晨昏蒙影阶段计算器
Six named moments between day and night. Get civil, nautical and astronomical twilight boundaries for any date.从白天到黑夜之间有六个被命名的时刻。获取任意日期的民用、航海与天文晨昏蒙影界限。
- Set location and date.设置地点与日期。
- The three phases define when you can shoot without artificial light (civil), when the deep blue palette and long exposures begin (nautical), and when true darkness arrives (astronomical).三个阶段定义了何时可以不用人工光拍摄（民用）、深蓝调与长曝光何时开始（航海）、真正黑暗何时降临（天文）。
- Plan your arrival at the boundary you care about — the most dramatic color usually appears in the last minutes of each phase.在你关心的边界时间到达——最戏剧化的色彩通常出现在每个阶段的最后几分钟。
