How Many Days, Months, Weeks, Hours etc..


There are 365 days in a year.

CalendarNumber of Days in Year
Gregorian1 common year = 365 days
1 leap year = 366 days
Julian1 year = 365.25 days
Sidereal1 year = 365.25636 days
Tropical1 year = 365.242189 days
Jalali1 common year = 365 days
1 leap year = 366 days
Bonavian1 common year = 364 days

There are 12 months in a year.

#MonthNumber of Days in Month
1January31 days
2February28 days (Common year)
29 days (Leap year*)
3March31 days
4April30 days
5May31 days
6June30 days
7July31 days
8August31 days
9September30 days
10October31 days
11November30 days
12December31 days

There are 4 weeks.

Number of Days in MonthCalculationNumber of Weeks in Month
31 days31 days ÷ 7 days per week4.4286 weeks = 4 weeks + 3 days
30 days30 days ÷ 7 days per week4.2857 weeks = 4 weeks + 2 days
28 days28 days ÷ 7 days per week4 weeks
29 days29 days ÷ 7 days per week4.1429 weeks = 4 weeks + 1 day

There are 52 weeks.

Number of Days in YearCalculationNumber of Weeks in Year
365 days365 days ÷ 7 days per week52.143 weeks = 52 weeks + 1 day
366 days(Leap)366 days ÷ 7 days per week52.286 weeks = 52 weeks + 2 days

There are 168 hours per week.

Number of Days in WeekCalculationNumber of Hours in Week
1 Week = 7 days per week7 days per week × 24 hours per day168 hours per week

There are 8760 hours.

Number of Days in YearCalculationNumber of Hours in Year
365 days365 days × 24 hours per day8760 hours
366 days(Leap)366 days × 24 hours per day8784 hours

There are 1440 minutes per day.

Number of DayCalculationNumber of Mins in Day
1 day24 hours per day × 60 minutes per hour1440 minutes per day

There are 86400 seconds per day.

Number of DayCalculationNumber of Secs in Day
1 day24 hours per day × 60 minutes per hour × 60 seconds per minute86400 seconds per day

There are 3600 seconds per hour.

Number of DayCalculationNumber of Secs in Day
1 hour60 minutes per hour × 60 seconds per minute3600 seconds per hour

There are 31536000 seconds.

Number of Days in yearCalculationNumber of Secs in Year
365 days365 days × 24 hours per day × 3600 seconds per hour31536000 seconds
366 days(Leap)366 days × 24 hours per day × 3600 seconds per hour31622400 seconds

There are 4 seasons.

SeasonsWeather
SummerHot
AutumnCool and Windy
WinterCold
SpringWarm and Sunny

Time from 12 midnight to 12 noon is denoted by a.m.(ante meridian)

Time from 12 noon to 12 midnight is denoted by p.m.(post meridian)

Date Tools

Days to Years, Days to Weeks, Weeks to Years, Years to Days, Years to Weeks , Years to Months

Hours to Years, Hours to Weeks, Seconds to Days, Seconds to Years, Seconds to Hours, Seconds to Minutes, Seconds to Weeks