日付計算 計算機
Calculate age, date differences, and calendar tools. Enter your date — see age, days since/until, and day of the week. Free.
6個の計算機
Age 計算機
正確な年齢を年・月・日・時間・分で計算します。生年月日を入力すると、正確な年齢と次の誕生日を表示します。
Date Difference 計算機
Calculate the exact number of days, weeks, and months between two dates. Enter start and end date — see all units with weekday count. Free.
Date 計算機
Add or subtract days, weeks, or months from any date. Enter a date and duration — see the resulting date with day of week. Free.
日数と営業日
Count days between dates with business days option. Enter start and end dates — see total days, business days, and weekends. Free.
曜日
Find the day of the week for any date in history or the future. Enter the date — see day name, day number, week number, and calendar facts. Free.
私は何歳？
Calculate your exact age in years, months, days, hours, and minutes. Enter date of birth — see precise age with next birthday countdown. Free.