Frequently Asked Questions

As per the Gregorian calendar year:

  • 1 common year = 365 days
  • 1 leap year = 366 days

1 mean year = (365+1/4-1/100+1/400) days = 365.2425 days.

1 Julian year = 365.25 days.

1 Sidereal year = 365.25636 days.

1 Tropical year = 365.242189 days.

As per the Gregorian calendar year:

  • 1 common year = 365 days
  • 365 days × 24 hours/day = 8760 hours
  • 1 leap year = 366 days
  • 366 days × 24 hours/day = 8784 hours

1 common year = 365 days = (365 days) × (24 hours/day) × (3600 seconds/hour) = 31536000 seconds.

1 leap year = 366 days = (366 days) × (24 hours/day) × (3600 seconds/hour) = 31622400 seconds.

1 Gregorian calendar year = 52 weeks.

1 common year = 365 days = (365 days) ÷ (7 days/week) = 52.142857 weeks = 52 weeks + 1 day.

1 leap year = 366 days = (366 days) ÷ (7 days/week) = 52.285714 weeks = 52 weeks + 2 day.

1 week = 7 days/week = (7 days/week) × (24 hours/day) = 168 hours per week.

1 day = 24 hours/day × 60 minutes/hour × 60 seconds/minute = 86,400 seconds per day.

1 hour = (60 minutes/hour) × (60 seconds/minute) = 3600 seconds per hour.

For 30 days in a month:

  • 30 days / 7 days/week = 4.2857 weeks = 4 weeks + 2 days.

For 31 days in a month:

  • 31 days / 7 days/week = 4.4286 weeks = 4 weeks + 3 days.

For 29 days in a month:

  • 29 days / 7 days/week = 4.1429 weeks = 4 weeks + 1 day.

For 28 days in a month:

  • 28 days / 7 days/week = 4 weeks.