weeks-per-month

This year, February begins on a Sunday and ends on a Saturday. It has exactly 28 days, meaning it fits perfectly on the calendar in four rows. If you could make every month have the same number of weeks (beginning on a Sunday and ending on a Saturday) how many weeks per month would you prescribe?

• 4 weeks, 13 months, 1 ethereal day left over at the end of the year~
• 5 weeks, 10 months, 15 bonus days left over~
• 3 weeks, 17 months, 8 liminal days left over~
• As flawed as the current system is, it aligns nicely with our notion of seasons and I'd rather keep to 12 months~