CalcLibrary

Month Progress Calculator

See how much of the month is over today or by any date. Shows the month percentage, day of month, total days, and days remaining.

Examples

Use your browser-local date for month progress right now.

Month complete
54.8%
Day of month
18
Days in month
31
Days remaining
13

Past the midpoint; the second half of the month is underway.

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Examples

How It Works

Formula

percentComplete=dayOfMonth−1daysInMonth×100\text{percentComplete} = \frac{\text{dayOfMonth} - 1}{\text{daysInMonth}} \times 100

daysRemaining=daysInMonth−dayOfMonth\text{daysRemaining} = \text{daysInMonth} - \text{dayOfMonth}

Variables

dayOfMonth\text{dayOfMonth}

Day number within the month (the 1st = 1)

daysInMonth\text{daysInMonth}

Total days in the month: 28, 29, 30, or 31

Enter a date, or leave the field blank for today. The calculator counts how many complete days of the month have passed before that date and divides by the number of days in that month. The 1st reads 0%, and the last day remains just below 100%.

Frequently Asked Questions

01Why is the 1st shown as 0%?
The percentage counts complete days. On the 1st, no full day of the month has elapsed yet. The last day stays just under 100% for the same reason.
02Does it handle different month lengths?
Yes. The calculator uses the actual number of days in that month: 28, 29, 30, or 31.
03Can I use a past or future date?
Yes. Enter any valid date and the calculator shows where it falls within that month.

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