23 February, 2018
Do you have know of any websites or apps that calculate veset days?
Online calculators are available at:
This is not an endorsement of any product. Please note that we have not tested these applications, and cannot vouch for their accuracy. Even with such programs, it is important for women to understand how to calculate anticipated menses, to ensure that the application is correct. We are always available to help individual women work out their calendars and review how to keep them, whether via this site, our hotline, or referrals to yoatzot and rabbis.
This answer is updated as of March, 2019.
This internet service does not preclude, override or replace the psak of any rabbinical authority. It is the responsibility of the questioner to inform us of any previous consultation or ruling. As even slight variation in circumstances may have Halachic consequences, views expressed concerning one case may not be applied to other, seemingly similar cases. All health and health-related information contained within Nishmat's Women's Health & Halacha Web site is intended to be general in nature and should not be used as a substitute for consulting with your health care professional. The advice is intended to offer a basis for individuals to discuss their medical condition with their health care provider but not individual advice. Although every effort is made to ensure that the material within Nishmat's Women's Health & Halacha Web site is accurate and timely, it is provided for the convenience of the Web site user but should not be considered official. Advice for actual medical practice should be obtained from a licensed health care professional.
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