Year 2004 Calendar - Complete Yearly Planner
Welcome to the 2004 calendar - your complete yearly planner and date reference tool. This free online calendar shows all 12 months of 2004 with day-by-day view. Whether you need to check dates, plan events, orunderstand 2004 calendar information, this tool provides everything you need. 2004 is a leap year with 366 days and 29 days in February.
Year 2004 at a Glance
📅 Quick Answer: 2004 is a leap year with 366 days. February has 29 days.The year starts on Thursday and ends on Friday.
Months in 2004
| Month | Days | Quarter |
|---|---|---|
| January | 31 days | Q1 |
| February | 29 days | Q1 |
| March | 31 days | Q1 |
| April | 30 days | Q2 |
| May | 31 days | Q2 |
| June | 30 days | Q2 |
| July | 31 days | Q3 |
| August | 31 days | Q3 |
| September | 30 days | Q3 |
| October | 31 days | Q4 |
| November | 30 days | Q4 |
| December | 31 days | Q4 |
Calendar Quarters 2004
Calendar Features
Year Overview
Complete 2004 calendar with all 12 months
Month Navigation
Easy navigation between months and years
Leap Year Detection
Automatic leap year calculation for accurate dates
Quick Today Button
Instant return to current date
Date Selection
Click any date to select and use
Year Links
Quick access to past and future years
Popular Calendar Searches
Who Uses This Calendar?
Frequently Asked Questions
Is 2004 a leap year?
2004 is a leap year. February has 29 days in 2004.
How many days in 2004?
2004 has 366 days. It is a leap year with an extra day in February.
What day does 2004 start on?
2004 starts on Thursday, January 1, 2004 and ends on Friday, December 31, 2004.
What is a leap year?
A leap year has 366 days instead of 365, with February having 29 days. Leap years occur every 4 years, except for centuries not divisible by 400.
How many weeks in a year?
A common year has 52 weeks and 1 day (365 days). A leap year has 52 weeks and 2 days (366 days).
What are the calendar quarters?
Q1: Jan-Mar, Q2: Apr-Jun, Q3: Jul-Sep, Q4: Oct-Dec. Each quarter helps in financial and business planning.
When is 2005 calendar available?
The 2005 calendar is available now. Plan ahead for next year with our printable calendar.
How to use this calendar?
Click any date to select it. Use arrow buttons to navigate months. Click 'Today' to return to current date. Visit /calendar/2025 for specific years.