So today I thought, hey it’s May 17th, and my vacation starts June 7th. But how many days do I actually gotta wait? That Italian phrase “quanto giorni mancano” kept popping in my head.

The Old-School Way I Tried First
Grabbed my wall calendar – yeah the paper kind with puppy pictures. Started counting days with my finger: May 18, 19, 20… all the way through May 31. Annoying part? Forgot May has 31 days so I lost count twice. Got to May 31 and thought “Cool, that’s 14 days so far”. Then counted June 1 to 6 adding 6 more days. Total: 20 days. Felt like forever!
The Phone Calendar Cheat
Dug out my phone and opened the calendar app. Scrolled to June 7th and pressed it. Saw this tiny text saying “20 days” in small letters. Well that was fast! But wanted to understand how it calculated so quick.
The Math Trick That Finally Clicked
Remembered months have different lengths. Broke it down:
- May has 31 days
- Subtracted current date: 31 – 17 = 14 days left in May
- Then added June days: 14 + 7 = 21
- Wait no! Subtract one because June 7th itself counts – so 21 – 1 = 20
The aha moment? Total days between two dates doesn’t include the start date. Like if today’s Thursday and party’s Friday, that’s 1 day gap not 2. This formula works every time: (Days in current month – today) + next month days – 1. Tried it for July dates and boom, instant results.
Now I’ve got 20 days to plan my trip. Might bake cookies to make time pass faster.

