you're likely to be most fertile
May 17 – May 22, 2026
🥚 Ovulation occurs on May 21
🧪 Test for pregnancy on May 31
Ovulation day Fertile Days Resulting Due Date
May 21, 2026 May 17, 2026 to May 22, 2026 Feb 11, 2027
Jun 18, 2026 Jun 14, 2026 to Jun 19, 2026 Mar 11, 2027
Jul 16, 2026 Jul 12, 2026 to Jul 17, 2026 Apr 8, 2027
Aug 13, 2026 Aug 9, 2026 to Aug 14, 2026 May 6, 2027
Sep 10, 2026 Sep 6, 2026 to Sep 11, 2026 Jun 3, 2027
Oct 8, 2026 Oct 4, 2026 to Oct 9, 2026 Jul 1, 2027
Nov 5, 2026 Nov 1, 2026 to Nov 6, 2026 Jul 29, 2027
Dec 3, 2026 Nov 29, 2026 to Dec 4, 2026 Aug 26, 2027
Dec 31, 2026 Dec 27, 2026 to Jan 1, 2027 Sep 23, 2027
Currently viewing calculations for 8 months, switch to 1, 2, 4 or 12.
May 2026
Sun Mon Tue Wed Thu Fri Sat
          1 2
3Pregnancy Test 4 5 6 7Menstrual Flow 8Heavy Menstrual Flow 9Medium Menstrual Flow
10Light Menstrual Flow 11Light Menstrual Flow 12 13 14 15 16
17Low Fertility 18Medium Fertility 19Medium Fertility 20High Fertility 21Highest Fertility (Ovulation) 22Low Fertility 23
24 25 26 27 28 29 30
31Pregnancy Test            
June 2026
Sun Mon Tue Wed Thu Fri Sat
  1 2 3 4Menstrual Flow 5Heavy Menstrual Flow 6Medium Menstrual Flow
7Light Menstrual Flow 8Light Menstrual Flow 9 10 11 12 13
14Low Fertility 15Medium Fertility 16Medium Fertility 17High Fertility 18Highest Fertility (Ovulation) 19Low Fertility 20
21 22 23 24 25 26 27
28Pregnancy Test 29 30        
July 2026
Sun Mon Tue Wed Thu Fri Sat
      1 2Menstrual Flow 3Heavy Menstrual Flow 4Medium Menstrual Flow
5Light Menstrual Flow 6Light Menstrual Flow 7 8 9 10 11
12Low Fertility 13Medium Fertility 14Medium Fertility 15High Fertility 16Highest Fertility (Ovulation) 17Low Fertility 18
19 20 21 22 23 24 25
26Pregnancy Test 27 28 29 30Menstrual Flow 31Heavy Menstrual Flow  
August 2026
Sun Mon Tue Wed Thu Fri Sat
            1Medium Menstrual Flow
2Light Menstrual Flow 3Light Menstrual Flow 4 5 6 7 8
9Low Fertility 10Medium Fertility 11Medium Fertility 12High Fertility 13Highest Fertility (Ovulation) 14Low Fertility 15
16 17 18 19 20 21 22
23Pregnancy Test 24 25 26 27Menstrual Flow 28Heavy Menstrual Flow 29Medium Menstrual Flow
30Light Menstrual Flow 31Light Menstrual Flow          
September 2026
Sun Mon Tue Wed Thu Fri Sat
    1 2 3 4 5
6Low Fertility 7Medium Fertility 8Medium Fertility 9High Fertility 10Highest Fertility (Ovulation) 11Low Fertility 12
13 14 15 16 17 18 19
20Pregnancy Test 21 22 23 24Menstrual Flow 25Heavy Menstrual Flow 26Medium Menstrual Flow
27Light Menstrual Flow 28Light Menstrual Flow 29 30      
October 2026
Sun Mon Tue Wed Thu Fri Sat
        1 2 3
4Low Fertility 5Medium Fertility 6Medium Fertility 7High Fertility 8Highest Fertility (Ovulation) 9Low Fertility 10
11 12 13 14 15 16 17
18Pregnancy Test 19 20 21 22Menstrual Flow 23Heavy Menstrual Flow 24Medium Menstrual Flow
25Light Menstrual Flow 26Light Menstrual Flow 27 28 29 30 31
November 2026
Sun Mon Tue Wed Thu Fri Sat
1Low Fertility 2Medium Fertility 3Medium Fertility 4High Fertility 5Highest Fertility (Ovulation) 6Low Fertility 7
8 9 10 11 12 13 14
15Pregnancy Test 16 17 18 19Menstrual Flow 20Heavy Menstrual Flow 21Medium Menstrual Flow
22Light Menstrual Flow 23Light Menstrual Flow 24 25 26 27 28
29Low Fertility 30Medium Fertility          
December 2026
Sun Mon Tue Wed Thu Fri Sat
    1Medium Fertility 2High Fertility 3Highest Fertility (Ovulation) 4Low Fertility 5
6 7 8 9 10 11 12
13Pregnancy Test 14 15 16 17Menstrual Flow 18Heavy Menstrual Flow 19Medium Menstrual Flow
20Light Menstrual Flow 21Light Menstrual Flow 22 23 24 25 26
27Low Fertility 28Medium Fertility 29Medium Fertility 30High Fertility 31Highest Fertility (Ovulation)    

🎨 Legend

  • Low Fertility
  • Medium / High Fertility
  • Highest Fertility (Ovulation)
  • Pregnancy Test
  • Light Menstrual Flow
  • Medium Menstrual Flow
  • Heavy Menstrual Flow
Your chances of conceiving a child are good.

Calculate Again ↺

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Ovulation Calendar is a free fertility tracking tool. Predictions are based on the calendar method using your cycle length and luteal phase. Individual results vary, especially with irregular cycles. This tool is not a substitute for medical advice. Consult your healthcare provider for personalized fertility guidance.