As of December 13, 2025, to determine the number of days until April 18, we need to calculate the remaining days in December, all the days in the intervening months, and the days in April.

First, let’s count the remaining days in December. December has 31 days, and since today is December 13th, there are 31 – 13 = 18 days left in December.

Next, we count the days in the full months between December and April:
* January: 31 days
* February: 28 days (2026 is not a leap year)
* March: 31 days

Finally, we add the days in April until the 18th: 18 days.

Now, we sum all these days: 18 (December) + 31 (January) + 28 (February) + 31 (March) + 18 (April) = 126 days.

Therefore, there are 126 days until April 18, 2026.