Age Calculator LabDays & dates lab
Home / 2021 Calendar
TodayMonday, October 5, 2026
Gregorian year calendar

2021 Calendar

A complete year at a glance. Choose another year or print the calendar.

Previous yearCurrent yearNext year
365Calendar days
Common yearGregorian rule
MondayWeek starts

January

Mo
Tu
We
Th
Fr
Sa
Su
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31

February

Mo
Tu
We
Th
Fr
Sa
Su
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28

March

Mo
Tu
We
Th
Fr
Sa
Su
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31

April

Mo
Tu
We
Th
Fr
Sa
Su
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30

May

Mo
Tu
We
Th
Fr
Sa
Su
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31

June

Mo
Tu
We
Th
Fr
Sa
Su
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30

July

Mo
Tu
We
Th
Fr
Sa
Su
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31

August

Mo
Tu
We
Th
Fr
Sa
Su
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31

September

Mo
Tu
We
Th
Fr
Sa
Su
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30

October

Mo
Tu
We
Th
Fr
Sa
Su
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31

November

Mo
Tu
We
Th
Fr
Sa
Su
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30

December

Mo
Tu
We
Th
Fr
Sa
Su
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31

Reading this calendar

The layout follows Gregorian dates and Monday-start weeks. It highlights today when the selected year contains today's date. Public holidays are separate from this calendar's date layout.

The current-year page changes automatically each January. A chosen year has a stable date layout. Read the year calendar guide for weekday counts, leap years and ISO week-year boundaries.

Keep exploring

View the tool library
▦

Days Between Dates

Compare two dates with calendar days, complete weeks and weekday counts. Choose whether to include the end date.

▣

Business Days Calculator

Count working days using your weekend pattern and optional excluded dates. Public holidays are excluded only when entered.

▦

Day of the Week

Inspect a Gregorian date, leap-year rules, ISO week numbers and a printable month calendar.

◴

Time Zone Converter

Convert an exact UTC instant to another IANA time zone.

Navjeet Kamboj, author at Age Calculator Lab
About the author

Navjeet Kamboj

Author & editor · Age Calculator Lab

Navjeet Kamboj is the author and editor of Age Calculator Lab. He focuses on making age, date, milestone and planning calculations easier to understand through clearly explained methods, practical examples and responsible limitations.

Full author profileLinkedInInstagramEditorial methodology