How long until August 18?

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It is 346 days, 3 hours, 41 minutes, 24 seconds until August 18, 2027.

Next occurrence: Wednesday247 business days leftDay 230 of 365 (63.0%)
Wednesday•Summer (Q3)
AUGUST18
2027
346Days
03Hours
41Minutes
24Seconds
August 2027 Monthly ViewTarget Day: 18
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Annual Cycle Journey63.0% of Year
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Temporal Context & Calendar Metrics for August 18

Business Days
247 Days

Excludes 99 weekend days (Saturdays & Sundays).

Day of the Year
Day 230 / 365

63.0% of annual orbital cycle.

Astronomical Season
Summer (Q3)

Summer Solstice occurred June 21

Zodiac Sign
Leo♌

Fire element (Jul 23 - Aug 22).

About August 18: Significance & History

Calendar Significance & Context

World Breast Cancer Research Day

August 18 marks the 230th day of the year (231st in leap years) within the third quarter. Historically, key milestones on this date include the events of 1587 (Virginia Dare is born on Roanoke Island, becoming the first child born to English parents in the Americas) and 1868 (French astronomer Pierre Janssen discovers helium during a solar eclipse observation in Guntur, India). Notable figures born on this day include Antonio Salieri (born 1750) and Robert Redford (born 1936). The date also observes World Breast Cancer Research Day.

On This Day in History

  • 1587

    Virginia Dare is born on Roanoke Island, becoming the first child born to English parents in the Americas.

  • 1868

    French astronomer Pierre Janssen discovers helium during a solar eclipse observation in Guntur, India.

  • 1920

    Tennessee ratifies the 19th Amendment to the U.S. Constitution, guaranteeing women the right to vote.

Notable Birthdays

  • Antonio Salierib. 1750

    Italian classical composer, conductor, and teacher of Beethoven, Liszt, and Schubert.

  • Robert Redfordb. 1936

    Academy Award-winning American actor, director, and founder of the Sundance Film Festival.

  • Patrick Swayzeb. 1952

    American actor, dancer, and singer who starred in Dirty Dancing and Ghost.

Explore Related Calendar Dates

Adjacent Calendar Days:

August 15-3 daysAugust 16-2 daysAugust 17-1 dayAugust 19+1 dayAugust 20+2 daysAugust 21+3 days

Day 18 Across All Months:

January 18JanuaryFebruary 18FebruaryMarch 18MarchApril 18AprilMay 18MayJune 18JuneJuly 18JulySeptember 18SeptemberOctober 18OctoberNovember 18NovemberDecember 18December

Key Annual Milestones:

New Year’s DayJanuary 1Valentine’s DayFebruary 14Leap DayFebruary 29Spring EquinoxMarch 20Earth DayApril 22Summer SolsticeJune 21US Independence DayJuly 4Autumnal EquinoxSeptember 22

Frequently Asked Questions About August 18

How many weeks and weekend days are left until August 18?

There are 49 full weeks plus 3 days (99 total weekend Saturdays and Sundays) remaining until August 18.

Can I keep my screen awake while watching the countdown to August 18?

Yes. Click the "Keep Awake" button on the chronometer toolbelt to activate the Screen Wake Lock API in supported browsers, preventing your device screen from sleeping.

What day of the week is August 18 next falling on?

The upcoming occurrence of August 18 falls on a Wednesday (August 18, 2027).

What happens when the countdown to August 18 reaches zero?

Once the target date arrives, the chronometer marks the date as active today and automatically begins tracking the countdown to August 18, 2028.