Calculate Meaningful Days After Loss
Find the 40th day, 100th day, 1-year anniversary, and every meaningful milestone — across all traditions.
Enter the date of passing to see how many days have passed and which milestone is approaching next.
See every significant memorial date — from the 3rd day through the 7-year anniversary — with cultural context for each tradition.
How many days until the next death anniversary? Enter the date of passing to count down.
Frequently Asked Questions
What is the 40th day after death?
The 40th day is a major memorial milestone in Orthodox Christian, Filipino, Slavic, and Middle Eastern traditions. It is believed to mark a spiritual threshold for the soul. Enter the date of passing in the Milestone Dates tab to find the exact 40th day date.
How do I calculate days since someone died?
Use the "Days Since Loss" tab above. Enter the date of passing and click Calculate — it instantly shows days, weeks, months, and years elapsed, plus the next upcoming memorial milestone.
What is the 100th day after death?
The 100th day is observed in Korean (Baek-il), Chinese, and Vietnamese traditions as a major mourning milestone. Our calculator shows the exact date for the 100th day and all other milestones from a single date entry.
Is this calculator free?
Yes. Grief Calendar is completely free with no sign-up required. Enter any date of passing and get all milestone dates instantly.
What memorial dates does the calculator cover?
The calculator covers the 3rd day, 7th day (end of shiva), 9th day, 30th day, 40th day, 49th day (Buddhist), 100th day, 6-month mark, 1-year anniversary, 2-year, 3-year, and 7-year anniversary — each with cultural tradition context.