Calculate pregnancy months from due date.
gem install waaah
Specify the date using the -d option.
An asterisk * is displayed for the current month.
% waaah -d 2025-06-01
Example output:
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Due date: 2025-06-01
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Pregnancy start date: 2024-08-25
1 month of pregnancy: 2024-09-22
2 month of pregnancy: 2024-10-20
3 month of pregnancy: 2024-11-17
4 month of pregnancy: 2024-12-15
5 month of pregnancy: 2025-01-12
6 month of pregnancy: 2025-02-09
7 month of pregnancy: 2025-03-09
8 month of pregnancy: 2025-04-06
9 month of pregnancy: 2025-05-04 *
10 month of pregnancy: 2025-06-01