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February 2026

Mon
Tue
Wed
Thu
Fri
Sat
Sun

25

26

27

28

29

31

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2

3

4

5

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7

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9

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11

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28

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March 2026

Mon
Tue
Wed
Thu
Fri
Sat
Sun

23

24

25

26

27

28

1

2

3

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5

6

7

8

9

10

11

12

13

14

15

16

17

18

AAPT - PHYSICSBOWL 2026

19

20

UK Mathematics Trust –CMO & HMO & MMO 2026

21

22

23

24

25

26

27

28

29

30

31

1

2

3

4

5

April 2026

Mon
Tue
Wed
Thu
Fri
Sat
Sun

30

31

1

2

3

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5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

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24

25

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27

28

29

30

1

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Mei 2026

Mon
Tue
Wed
Thu
Fri
Sat
Sun

27

28

29

30

1

2

3

4

5

6

7

8

9

10

11

12

13

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17

18

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20

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25

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30

31

June 2026

Mon
Tue
Wed
Thu
Fri
Sat
Sun

1

2

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5

6

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8

9

10

11

12

13

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25

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29

30

1

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5

June 2025

Mon
Tue
Wed
Thu
Fri
Sat
Sun

26

27

28

29

30

31

1

2

3

4

5

6

7

8

9

10

11

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15

16

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19

20

21

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23

24

25

26

27

28

29

30

1

2

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4

5

6

July 2025

Mon
Tue
Wed
Thu
Fri
Sat
Sun

30

1

2

3

4

5

6

7

8

9

10

11

12

13

14

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20

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25

26

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28

29

30

31

1

2

3

August 2025

Mon
Tue
Wed
Thu
Fri
Sat
Sun

28

29

30

31

1

2

3

4

5

6

7

8

International Chemistry Quiz (ICQ)

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

September 2025

Mon
Tue
Wed
Thu
Fri
Sat
Sun

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

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18

19

20

21

22

23

24

25

26

27

28

29

30

1

2

3

4

5

Oktober 2025

Mon
Tue
Wed
Thu
Fri
Sat
Sun

29

30

1

2

3

4

5

6

7

8

9

10

UKMT–SMC 2025

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

The International Neuroscience Olympiad (INO) 2025

28

29

30

31

Asia Business Simulation (ABS)

1

2

November 2025

Mon
Tue
Wed
Thu
Fri
Sat
Sun

27

The International Neuroscience Olympiad (INO) 2025

28

29

30

31

Asia Business Simulation (ABS)

1

2

3

4

5

6

7

8

9

Intermediate Biology Olympiad (iBO) 2025

10

11

12

13

14

15

16

17

18

19

20

21

22

23

Junior Physics Challenge (JPC) 2025

Continental Math League 2025

24

25

26

27

28

29

30

Desember 2025

Mon
Tue
Wed
Thu
Fri
Sat
Sun

1

2

3

4

5

6

7

8

Cambridge Chemistry Challenge (C3L6) 2025–2026

9

10

11

12

13

14

You Be The hemist ChallengeC (YBTC) 2025–2026

15

16

17

18

19

YIS Global Stock Pitch Competition 2025–2026

20

21

22

23

24

25

26

27

28

29

30

31

1

2

3

4

January 2026

Mon
Tue
Wed
Thu
Fri
Sat
Sun

29

30

31

1

2

3

4

5

2025 Fall International Writing, Visual & Multimedia Contest

6

7

8

9

10

LSESU Economics Society Challenge 2026

11

12

13

14

15

MU Minds Underground Economics Essay Competition 2025–2026

16

17

18

19

20

21

22

23

24

us America Language League (ALL) 2026

25

26

27

28

29

UK Mathematics Trust – Intermediate Mathematical Challenge (IMC) 2025–2026

30

31

YPSC – Youth Public Speaking Competition 2025–2026

Intermediate & Senior Physics Challenge (Online) 2025–2026

UK Chemistry Olympiad (UKChO) 2025–2026

1