What Number Day of the Year Is It? DOY Calendar

5/5 - (2 votes)

Today is the th day of the year (DOY). Day number of the year is . The day number shows which day it is out of all the days in the year.

In a regular year, the day number goes from 1 to 365. In a leap year, it goes from 1 to 366.

Today Is:

day
Day
day, 00 month 0000

Day of the Year Calendar

Today’s Date in All Formats

FormatDate
MM-DD-YYYY
DD-MM-YYYY
YYYY-MM-DD
SlashesDots
MM/DD/YYYYMM.DD.YYYY

Day-of-Year Calculation in Excel/Google Sheets

Formula 1: Day of the Year for Today

=TODAY()-DATE(YEAR(TODAY()),1,0)
Copied
DOY Calendar Calculator
  • TODAY() returns 3/16/2025.
  • DATE(YEAR(TODAY()), 1, 0) returns 12/31/2024 (day 0 gives the last day of the previous year).
  • Subtracting gives: 3/16/2025 – 12/31/2024 = 75.

Formula 2: Day of the Year for a Given Date

=B2-DATE(YEAR(B2),1,1)+1
Copied
DOY Calendar Calculator
  • Suppose B2 has July 4, 2023
  • DATE(YEAR(B2),1,1) returns January 1 of that same year, so July 4, 2023, it returns 1/1/2023
  • Subtracting gives: 01/01/2023 from 07/04/2023 = 184
  • Since January 1 should be day 1, you add 1. So it is the 185th day of the year

Formula 3: Get Date from a Day Number

=DATE(2023,1,0)+C2
Copied
DOY Calendar Calculator
  • DATE(2023,1,0) returns December 31, 2022
  • C2 has the number 150
  • When you add 150 to December 31, 2022, the result is May 30, 2023.

Tags:

Online Calculators: Fast And Free For Math, Fitness, Time
Logo