Pregnancy Countdown Calculator Days until due date. Due month Due day Due year Now month Now day Now year Days until due (days) 174 Step-by-step with your numbers: 1. Values used: 2. Due month = 12 3. Due day = 15 4. Due year = 2,026 5. Now month = 6 6. Now day = 24 7. Now year = 2,026 8. Days until due = 174days Did we solve your problem today? 👍 Yes 👎 No Thanks for the feedback! Days until your baby's due date (approximate). FAQ Exact? Ultrasound dating is more accurate. Related calculators Countdown Calculator Find days until a future date (approximate). Pregnancy Weeks Calculator Find pregnancy progress from days since last period. Baby Age Calculator Find a baby's age in months, weeks and days.