When Are a Person and Their Pet the Same Age? – Calculate Age in Days with Day-X

With this calculation you can find out
when a person and a pet are the same age.
The age is calculated in days,
not in years.

🧮 Day-X Help · Calculation 5

Person and pet – the same age in days

Calculation 5 compares the age
of a person and a pet.
The goal is the day
when person and pet have lived the same number of days.

---

🧠 How is it calculated?

• People are measured in human days
• Pets are measured in pet days

Pets generally age faster than humans.
These different ageing models
are stored in the pet table (see the Account menu).
This table currently contains
16 different pets
each with their own ageing model.

---

👤 Select a person and a pet

Now select:

• in the “Person” field: a person
• in the “Pet” field: the corresponding animal

Is a person or pet missing?
You can add both using
“Add name”.

---

➕ Add a recipient (person or pet)

In the “Add name” window
you will find the “Type” field.
There you select:

• Person
• Pet (from the list)

Then enter:

• Name
• Date of birth
• Email address (for people only)

!! IMPORTANT !!
Tick the checkbox:
“I hereby confirm that I am allowed to send messages to this email address.”

Then return to the calculation.

📧 Why is an email address needed?
So that Day-X can automatically send a surprise message or reminder
on this special day.

---

🔍 First calculation – free

After clicking “Calculate”
Day-X shows you:

• all available data for person and pet
• the human days counted so far
• the pet days counted so far
• the respective total number of days since the date of birth

This first calculation forms the basis
for the comparison and is free.

---

▶️ Continue the calculation

In the button “Continue calculation”
you will see:

• how many tokens are required
• below the button,
  how many tokens you still have available

After clicking, Day-X calculates:
📅 the exact date
when

• the person (in human days)
• and the pet (in pet days)

have reached the same number of days.
All previously calculated data
will also be displayed again in full.

---

💾 Save

Click “Save”
to save the greeting card.
It will be stored in the
“Greeting Cards” menu.