PrismKit計算機星期幾查詢星期幾查詢在瀏覽器中執行本機複製連結Markdown查詢某個日期在一段年份中各落在星期幾，以及下一次落在指定星期幾的年份。預計完成時間計算機Find the time remaining and finish time of a copy, download or batch job from its progress and rate.iCal 解析器Read an .ics calendar file as a table of events, with time zones and repeating events expanded, and export it as CSV or JSON.