How many days are between Martin Luther King Jr. Day and Father's Day?
Count between any two dates
Used in 'days between' mode. Defaults to 90 days out.
Used in 'add or subtract' mode.
- Days
- 153
- Weeks and days
- 21 weeks, 6 days
- Months and days
- 5 months, 2 days
- Business days (Mon–Fri)
Weekdays only; public holidays are not excluded.
- 109
- Weekend days
- 44
- Resulting date
- —
- Day of the week
- Monday → Sunday
Assumptions
- Dates are local calendar dates; times and time zones are ignored.
- Business days are Monday–Friday with no holiday exclusions.
- Adding months keeps the day of month, clamped to the target month's length.
| After | Date | Falls on a |
|---|---|---|
| 7 days | January 25, 2027 | Monday |
| 14 days | February 1, 2027 | Monday |
| 21 days | February 8, 2027 | Monday |
| 30 days | February 17, 2027 | Wednesday |
| 45 days | March 4, 2027 | Thursday |
| 60 days | March 19, 2027 | Friday |
| 90 days | April 18, 2027 | Sunday |
| 120 days | May 18, 2027 | Tuesday |
| 180 days | July 17, 2027 | Saturday |
| 365 days | January 18, 2028 | Tuesday |
Calendar days counted from the start date, the day itself not counted. Deadlines written as 'within 90 days' are calendar days unless the contract or court rule says business days.
Counted from Thursday, September 17, 2026. The dates shown are the next ones to come round.
- Days apart
- 153
- Business days
- 109
- Weekend days
- 44
- That is
- 21 weeks and 6 days
Martin Luther King Jr. Day falls on Monday, January 18, 2027 and Father's Day on Sunday, June 20, 2027, which is 153 days later — 21 weeks and 6 days, or 109 business days counting Monday to Friday only. The first day is not counted and the last one is, the same way a calendar counts a stay. Both dates are fixed, so the gap is the same every year apart from leap-year shifts in the weekdays.
The next five years
| Year | Dates | Days apart |
|---|---|---|
| 2027 | January 18, 2027 → June 20, 2027 | 153 days |
| 2028 | January 17, 2028 → June 18, 2028 | 153 days |
| 2029 | January 15, 2029 → June 17, 2029 | 153 days |
| 2030 | January 21, 2030 → June 16, 2030 | 146 days |
| 2031 | January 20, 2031 → June 15, 2031 | 146 days |
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How many days are between Martin Luther King Jr. Day and Father's Day? 153 days. Source: https://www.calculateitnow.dev/days-between-mlk-day-and-fathers-day