検索 共有

Date 計算機

Add days to a date

Add/subtract duration from a date

Date

month January February March April May June July August September October November December

day 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31

July2025

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Submit

Today

+ Add - Subtract

時間 duration

Years

Months

Weeks

Days

= 計算 × リセット

Date 結果

day of week Sun Mon Tue Wed Thu Fri Sat

month January February March April May June July August September October November December

時間 計算機

計算 days between 2 dates

Get duration between 2 dates

First date

month January February March April May June July August September October November December

day 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31

July2025

Sun

Mon

Tue

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1

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Jan

Feb

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Submit

Today

Second date

month January February March April May June July August September October November December

day 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31

July2025

Sun

Mon

Tue

Wed

Thu

Fri

Sat

1

2

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5

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Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Submit

Today

= 計算 × リセット

時間 duration 結果

Years

Months

Days only

Days only

Hours only

Seconds only

時間 計算機

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See also

• 時間 計算機
• Age 計算機
• Birthday 計算機
• Date to roman numerals

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