What Day of the Week Is May 18?
May 18, 2027 falls on a Tuesday. This year, May 18, 2026 was a Monday.
It is day 138 of 2027, and 227 days of the year come after it. The date sits in ISO week 20 and in the second quarter, April to June. North of the equator it is day 60 of spring, and summer starts on June 21. In Australia and the rest of the south, it is fall. The Moon is a waxing gibbous that day, and the next full moon is on Thursday, May 20, 2027. It is not a US federal holiday.
May 18 from 2025 to 2028
The same date in four years, side by side. Moon phases use US Eastern dates.
| Fact | 2025 | 2026 | 2027 | 2028 |
|---|---|---|---|---|
| Day of the week | Sunday | Monday | Tuesday | Thursday |
| Day of the year | 138 of 365 | 138 of 365 | 138 of 365 | 139 of 366 |
| Days left in the year | 227 | 227 | 227 | 227 |
| ISO week | 20 | 21 | 20 | 20 |
| Quarter | Q2 | Q2 | Q2 | Q2 |
| Season (north) | Day 60 of spring | Day 60 of spring | Day 60 of spring | Day 61 of spring |
| Moon (US Eastern) | Waning gibbous | Waxing crescent | Waxing gibbous | Waning crescent |
| US federal holiday | No | No | No | No |
| Other holidays | – | Victoria Day | – | – |
Holidays on May 18
None of the 245 holidays and observances on this site is fixed to May 18.
Holidays that move with the calendar land on May 18 in some years from 2026 to 2035.
| Holiday or observance | Years on May 18 |
|---|---|
| Victoria Day | 2026 |
| Ascension Day | 2034 |
| Armed Forces Day | 2030 |
Born on May 18
In most horoscope tables, May 18 falls under Taurus, the sign that runs from April 20 to May 20.
The birthstone for May is the emerald on the American Gem Society list.
May 18 every year from 1950 to 2049
Find the decade on the left, then the last digit of the year across the top. A baby born on May 18, 1990 arrived on a Friday, and one born on May 18, 2000 on a Thursday. Weekends are shaded.
| Years | …0 | …1 | …2 | …3 | …4 | …5 | …6 | …7 | …8 | …9 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1950s | Thu | Fri | Sun | Mon | Tue | Wed | Fri | Sat | Sun | Mon |
| 1960s | Wed | Thu | Fri | Sat | Mon | Tue | Wed | Thu | Sat | Sun |
| 1970s | Mon | Tue | Thu | Fri | Sat | Sun | Tue | Wed | Thu | Fri |
| 1980s | Sun | Mon | Tue | Wed | Fri | Sat | Sun | Mon | Wed | Thu |
| 1990s | Fri | Sat | Mon | Tue | Wed | Thu | Sat | Sun | Mon | Tue |
| 2000s | Thu | Fri | Sat | Sun | Tue | Wed | Thu | Fri | Sun | Mon |
| 2010s | Tue | Wed | Fri | Sat | Sun | Mon | Wed | Thu | Fri | Sat |
| 2020s | Mon | Tue | Wed | Thu | Sat | Sun | Mon | Tue | Thu | Fri |
| 2030s | Sat | Sun | Tue | Wed | Thu | Fri | Sun | Mon | Tue | Wed |
| 2040s | Fri | Sat | Sun | Mon | Wed | Thu | Fri | Sat | Mon | Tue |
When May 18 is on the same weekday again
After 2027, May 18 is next a Tuesday in 2032. The next weekend May 18 is in 2030, on a Saturday.
| Day of the week | Next year after 2027 |
|---|---|
| Monday | 2037 |
| Tuesday | 2032 |
| Wednesday | 2033 |
| Thursday | 2028 |
| Friday | 2029 |
| Saturday | 2030 |
| Sunday | 2031 |
May 18 by year
| Year | Day of the week | Weekend or weekday |
|---|---|---|
| 2023 | Thursday | Weekday |
| 2024 | Saturday | Weekend |
| 2025 | Sunday | Weekend |
| 2026 | Monday | Weekday |
| 2027 | Tuesday | Weekday |
| 2028 | Thursday | Weekday |
| 2029 | Friday | Weekday |
| 2030 | Saturday | Weekend |
| 2031 | Sunday | Weekend |
| 2032 | Tuesday | Weekday |
| 2033 | Wednesday | Weekday |
| 2034 | Thursday | Weekday |
Why the weekday changes
A common year is 365 days, one day more than 52 weeks. So May 18 moves on one weekday each year: Monday in 2026, Tuesday in 2027. The jump is two days when February 29 comes in between, so May 18, 2028 is a Thursday, two on from 2027's Tuesday. Between 1901 and 2099, the whole pattern repeats every 28 years.
More about May 18 on this site
May 18 questions
What day of the week is May 18, 2027?
May 18, 2027 is a Tuesday. It is day 138 of the year and falls in ISO week 20.
Is May 18 a holiday?
None of the holidays on this site is fixed to May 18. May 18, 2027 is not a US federal holiday. Some years it is Victoria Day instead, as in 2026.
Cite this page
APA: ClockTotals. (2026, November 6). What Day of the Week Is May 18? https://clocktotals.com/what-day-is/may-18/
MLA: “What Day of the Week Is May 18?” ClockTotals, 6 Nov. 2026, clocktotals.com/what-day-is/may-18/.
Link (HTML): <a href="https://clocktotals.com/what-day-is/may-18/">What Day of the Week Is May 18?</a>