Whether tracking days remaining until major exams or counting milestone days for anniversaries (100 days, 500 days, 1000 days), the D-Day & Anniversary Calculator offers accurate date calculations.

It supports both countdown (D-) and countup (D+) modes, complete with options to include or exclude the start date.

• Key Features: Countdown & count-up tracking, 100-day milestone auto-generator, flexible start-date inclusion toggle.

👉 Access the tool: D-Day & Anniversary Calculator