What Day Is August 4th, 2025?
August 4, 2025 falls on a Monday. So in practice, people in the United States, Canada, the United Kingdom, Australia, New Zealand, and most other countries can mark Monday, August 4, 2025, on their calendars. It is the fifth day of August, the 216th day of the year, and the first Monday of the month. Understanding the day of the week is useful for scheduling appointments, planning events, checking historical records, and organizing documents that require a complete date.
The Quick Answer
For easy reference:
- Date: August 4, 2025
- Day of the week: Monday
- Month: August
- Day of the month: 4
- Day of the year: 216
- ISO week number: Week 32
- Quarter: Third quarter
- Days remaining in 2025 after August 4: 149
In the standard Monday-to-Sunday format, the dates in August 2025 are:
- Monday, August 4
- Tuesday, August 5
- Wednesday, August 6
- Thursday, August 7
- Friday, August 8
- Saturday, August 9
- Sunday, August 10
This pattern continues with August 11 and August 12 falling on Monday and Tuesday, respectively. August ends on Sunday, August 31.
How to Determine the Day of the Week
Although a calendar application can answer the question instantly, it is helpful to understand how the result is calculated. One simple method begins with a known reference date.
January 1, 2025, was a Wednesday. To determine the weekday of another date in the same year, count the number of days between the two dates and divide that total by seven. Any complete week does not change the weekday because:
Quick note before moving on.
7 days = 1 week
For August 4, 2025, the number of days from the beginning of the year is:
- January: 31 days
- February: 28 days
- March: 31 days
- April: 30 days
- May: 31 days
- June: 30 days
- July: 31 days
- August 1 through August 4: 4 days
Adding these amounts gives:
31 + 28 + 31 + 30 + 31 + 30 + 31 + 4 = 216 days
Because of this, August 4 is the 216th day of 2025. Since January 1 is counted as the first day, there are 215 full days between January 1 and August 4. Dividing 215 by seven gives 30 complete weeks with five days remaining:
215 ÷ 7 = 30 weeks and 5 days
Moving five weekdays forward from Wednesday produces:
- Thursday
- Friday
- Saturday
- Sunday
- Monday
This confirms that August 4, 2025, is a Monday And that's really what it comes down to. No workaround needed..
Why February Makes a Difference
February’s length must be considered when calculating weekdays across different years. The month has 28 days in a common year and 29 days in a leap year.
The years immediately surrounding 2025 provide useful comparisons:
- 2024 was a leap year because it could be divided evenly by four and was not a century year requiring an additional exception.
- 2025 was a common year with 365 days.
- 2026 is also scheduled to be a common year.
Because 2025 is not a leap year, February contributes 28 days to the calculation. If a similar date is checked in a leap year, the weekday may be different unless the date falls before February 29 or another adjustment is made Practical, not theoretical..
People argue about this. Here's where I land on it.
August 4 in the Monthly Calendar
In a standard August 2025 calendar, the month begins on a Saturday:
- Saturday, August 1
- Sunday, August 2
- Monday, August 3
- Tuesday, August 4
Although this is the correct sequence for the month as it relates to August 4, it is the kind of thing that makes a real difference. The first question asks what weekday August 1 falls on; the second asks what weekday August 4 falls on. Four days after Saturday is Wednesday, not Monday No workaround needed..
This is where a lot of people lose the thread.
The correct weekly sequence around the requested date is:
- Friday, August 1
- Saturday, August 2
- Sunday, August 3
- Monday, August 4
- Tuesday, August 5
- Wednesday, August 6
- Thursday, August 7
This is why entering “August 4, 2025” into a digital calendar displays Monday.
