What day of the week is March 15, 2026?

Sunday

March 15, 2026

204 days ago

Calendar position

Sundayday of the week
74day of the year
W11ISO week
Q1quarter
Weekendtype of day
204days ago
Waning Crescentmoon phase
Commonyear type

The answer in detail

Sunday, March 15, 2026 falls on a Sunday. It is day 74 of 365 in 2026, in ISO week 11, in quarter 1 and in spring in the northern hemisphere. The date is 204 days ago, and it is part of a weekend, so most offices and schools are closed. It does not coincide with any of the major holidays tracked on this site that year.

The moon and the calendar

On March 15, 2026 the moon is a Waning Crescent with about 14% of its disc lit, roughly 26 days after the previous new moon. That figure is computed from lunar phase formulas, not looked up, so it is available for any year in the range.

How weekday lookups work

The weekday of a date is found by counting the days from a known reference date and taking the remainder after dividing by seven. The calculator applies that rule to real Gregorian dates, including leap days, which is why it works equally well for a birth date in 1985 and a wedding date in 2032. Use the form above to check any other date, or open the neighbouring dates linked below.

Frequently asked questions

What day of the week is March 15, 2026?

It is a Sunday.

What day of the year is March 15, 2026?

Day 74 of 365.

What ISO week is it?

Week 11 of 2026.

Which quarter is it in?

Quarter 1 of 2026.

Is it a weekend?

Yes, it is a Sunday.

Is 2026 a leap year?

No.

How far away is the date?

204 days ago.

What is the moon phase on that date?

Waning Crescent, about 14% illuminated.

RESULT & PLANNING

Use this calculation

What Day of the Week Is March 15, 2026?: Sunday March 15, 2026 — 204 days ago

How this calculation was worked out

The result uses the exact inputs on this page and calendar/time arithmetic appropriate to this calculator. The result shown above is the value to use for this calculation.

Working days and weekends

204Calendar days
146Weekdays
29Saturdays
29Sundays
Not included unless this calculator says otherwisePublic holidays

Practical planning milestones

  1. Calculated dateSunday, March 15, 2026

Accuracy and limitations

  • The result uses the calendar rules and time zone shown on this page.
  • Leap years and actual month lengths are handled by the calendar arithmetic where they affect the calculation.

Save or share this result

Calculation history

Machine-readable result
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