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Days Between Dates worksheet

Grades 3–4

Solve each problem and show your work. Round answers to 2 decimal places where needed.

  1. Problem 1.
    • Start date: Apr 27, 2026
    • End date: Jan 12, 2025
    • Include the end date (count both the first and last day): No

    Find: Total days

  2. Problem 2.
    • Start date: Feb 6, 2026
    • End date: Mar 6, 2027
    • Include the end date (count both the first and last day): No

    Find: Total days

  3. Problem 3.
    • Start date: Jan 25, 2027
    • End date: Aug 23, 2025
    • Include the end date (count both the first and last day): No

    Find: Total days

  4. Problem 4.
    • Start date: Apr 15, 2026
    • End date: Aug 10, 2026
    • Include the end date (count both the first and last day): No

    Find: Total days

  5. Problem 5.
    • Start date: Nov 17, 2025
    • End date: Mar 17, 2027
    • Include the end date (count both the first and last day): No

    Find: Total days

  6. Problem 6.
    • Start date: Dec 10, 2025
    • End date: Feb 5, 2026
    • Include the end date (count both the first and last day): No

    Find: Total days

  7. Problem 7.
    • Start date: Apr 1, 2025
    • End date: Nov 29, 2025
    • Include the end date (count both the first and last day): No

    Find: Total days

  8. Problem 8.
    • Start date: Jun 27, 2025
    • End date: May 14, 2025
    • Include the end date (count both the first and last day): No

    Find: Total days

  9. Problem 9.
    • Start date: Jan 6, 2026
    • End date: Mar 5, 2025
    • Include the end date (count both the first and last day): No

    Find: Total days

  10. Problem 10.
    • Start date: Oct 23, 2025
    • End date: Sep 16, 2026
    • Include the end date (count both the first and last day): No

    Find: Total days

Answer key: Days Between Dates worksheet

  1. 1. Total days: 470

    1. The end date comes first, so swap the dates and count forward

    2. Count the days from the start date to the end date, allowing for month lengths and leap years

      Apr 27, 2026 − Jan 12, 2025=470 days
    3. Split the total into whole weeks of 7 days, plus any days left over

      470=67×7+1
    4. Count the weekdays (Monday to Friday) apart from the weekend days, which helps when planning work

      470 days=335 weekdays+135 weekend days
    5. To say it in calendar terms, count the complete months first (12 make a year), then the days left over

      Jan 12, 2025 → Apr 27, 2026: 1 year, 3 months, 15 days
    6. For hours, multiply the days by 24, the hours in a day

      470×24=11,280 h
  2. 2. Total days: 393

    1. Count the days from the start date to the end date, allowing for month lengths and leap years

      Mar 6, 2027 − Feb 6, 2026=393 days
    2. Split the total into whole weeks of 7 days, plus any days left over

      393=56×7+1
    3. Count the weekdays (Monday to Friday) apart from the weekend days, which helps when planning work

      393 days=281 weekdays+112 weekend days
    4. To say it in calendar terms, count the complete months first (12 make a year), then the days left over

      Feb 6, 2026 → Mar 6, 2027: 1 year, 1 month, 0 days
    5. For hours, multiply the days by 24, the hours in a day

      393×24=9,432 h
  3. 3. Total days: 520

    1. The end date comes first, so swap the dates and count forward

    2. Count the days from the start date to the end date, allowing for month lengths and leap years

      Jan 25, 2027 − Aug 23, 2025=520 days
    3. Split the total into whole weeks of 7 days, plus any days left over

      520=74×7+2
    4. Count the weekdays (Monday to Friday) apart from the weekend days, which helps when planning work

      520 days=370 weekdays+150 weekend days
    5. To say it in calendar terms, count the complete months first (12 make a year), then the days left over

      Aug 23, 2025 → Jan 25, 2027: 1 year, 5 months, 2 days
    6. For hours, multiply the days by 24, the hours in a day

      520×24=12,480 h
  4. 4. Total days: 117

    1. Count the days from the start date to the end date, allowing for month lengths and leap years

      Aug 10, 2026 − Apr 15, 2026=117 days
    2. Split the total into whole weeks of 7 days, plus any days left over

      117=16×7+5
    3. Count the weekdays (Monday to Friday) apart from the weekend days, which helps when planning work

      117 days=83 weekdays+34 weekend days
    4. To say it in calendar terms, count the complete months first (12 make a year), then the days left over

      Apr 15, 2026 → Aug 10, 2026: 0 years, 3 months, 26 days
    5. For hours, multiply the days by 24, the hours in a day

      117×24=2,808 h
  5. 5. Total days: 485

    1. Count the days from the start date to the end date, allowing for month lengths and leap years

      Mar 17, 2027 − Nov 17, 2025=485 days
    2. Split the total into whole weeks of 7 days, plus any days left over

      485=69×7+2
    3. Count the weekdays (Monday to Friday) apart from the weekend days, which helps when planning work

      485 days=347 weekdays+138 weekend days
    4. To say it in calendar terms, count the complete months first (12 make a year), then the days left over

      Nov 17, 2025 → Mar 17, 2027: 1 year, 4 months, 0 days
    5. For hours, multiply the days by 24, the hours in a day

      485×24=11,640 h
  6. 6. Total days: 57

    1. Count the days from the start date to the end date, allowing for month lengths and leap years

      Feb 5, 2026 − Dec 10, 2025=57 days
    2. Split the total into whole weeks of 7 days, plus any days left over

      57=8×7+1
    3. Count the weekdays (Monday to Friday) apart from the weekend days, which helps when planning work

      57 days=41 weekdays+16 weekend days
    4. To say it in calendar terms, count the complete months first (12 make a year), then the days left over

      Dec 10, 2025 → Feb 5, 2026: 0 years, 1 month, 26 days
    5. For hours, multiply the days by 24, the hours in a day

      57×24=1,368 h
  7. 7. Total days: 242

    1. Count the days from the start date to the end date, allowing for month lengths and leap years

      Nov 29, 2025 − Apr 1, 2025=242 days
    2. Split the total into whole weeks of 7 days, plus any days left over

      242=34×7+4
    3. Count the weekdays (Monday to Friday) apart from the weekend days, which helps when planning work

      242 days=174 weekdays+68 weekend days
    4. To say it in calendar terms, count the complete months first (12 make a year), then the days left over

      Apr 1, 2025 → Nov 29, 2025: 0 years, 7 months, 28 days
    5. For hours, multiply the days by 24, the hours in a day

      242×24=5,808 h
  8. 8. Total days: 44

    1. The end date comes first, so swap the dates and count forward

    2. Count the days from the start date to the end date, allowing for month lengths and leap years

      Jun 27, 2025 − May 14, 2025=44 days
    3. Split the total into whole weeks of 7 days, plus any days left over

      44=6×7+2
    4. Count the weekdays (Monday to Friday) apart from the weekend days, which helps when planning work

      44 days=32 weekdays+12 weekend days
    5. To say it in calendar terms, count the complete months first (12 make a year), then the days left over

      May 14, 2025 → Jun 27, 2025: 0 years, 1 month, 13 days
    6. For hours, multiply the days by 24, the hours in a day

      44×24=1,056 h
  9. 9. Total days: 307

    1. The end date comes first, so swap the dates and count forward

    2. Count the days from the start date to the end date, allowing for month lengths and leap years

      Jan 6, 2026 − Mar 5, 2025=307 days
    3. Split the total into whole weeks of 7 days, plus any days left over

      307=43×7+6
    4. Count the weekdays (Monday to Friday) apart from the weekend days, which helps when planning work

      307 days=219 weekdays+88 weekend days
    5. To say it in calendar terms, count the complete months first (12 make a year), then the days left over

      Mar 5, 2025 → Jan 6, 2026: 0 years, 10 months, 1 day
    6. For hours, multiply the days by 24, the hours in a day

      307×24=7,368 h
  10. 10. Total days: 328

    1. Count the days from the start date to the end date, allowing for month lengths and leap years

      Sep 16, 2026 − Oct 23, 2025=328 days
    2. Split the total into whole weeks of 7 days, plus any days left over

      328=46×7+6
    3. Count the weekdays (Monday to Friday) apart from the weekend days, which helps when planning work

      328 days=234 weekdays+94 weekend days
    4. To say it in calendar terms, count the complete months first (12 make a year), then the days left over

      Oct 23, 2025 → Sep 16, 2026: 0 years, 10 months, 24 days
    5. For hours, multiply the days by 24, the hours in a day

      328×24=7,872 h