Year (Julian) (yr)
Julian year: exactly 365.25 days of 86 400 seconds (31 557 600 seconds). Calendar years vary.
What is a Julian year?
- Symbol
- yr
- Quantity
- Time
- Unit system
- other
- Definition
- Julian year: exactly 365.25 days of 86 400 seconds (31 557 600 seconds). Calendar years vary.
- Exact
- Yes, the value is exact by definition
- Source
- IAU: Julian year of 365.25 days (International Astronomical Union)
Common applications
Exactly 365.25 days. Used in astronomy, for example in the definition of the light-year.
Year (Julian) in other time units
- 1 yr = 3.15576e+16 nsNanosecond
- 1 yr = 31557600000000 µsMicrosecond
- 1 yr = 31557600000 msMillisecond
- 1 yr = 31557600 sSecond
- 1 yr = 525960 minMinute
- 1 yr = 8766 hHour
- 1 yr = 365.25 dYear (Julian) to Day converter
- 1 yr ≈ 52.17857143 wkWeek
Year (Julian) quick reference
| Year (Julian) | Day | Minute | Hour |
|---|---|---|---|
| 1 yr | = 365.25 d | = 525960 min | = 8766 h |
| 10 yr | = 3652.5 d | = 5259600 min | = 87660 h |
| 100 yr | = 36525 d | = 52596000 min | = 876600 h |
| 1000 yr | = 365250 d | = 525960000 min | = 8766000 h |
Where the Julian year fits
The next smaller time unit is the week (wk). 1 yr ≈ 52.17857143 wk, and 1 wk ≈ 0.01916495551 yr.
Frequently asked questions
- How many days are in one Julian year?
- One Julian year = 365.25 d (days).
- How many minutes are in one Julian year?
- One Julian year = 525960 min (minutes).
- How many hours are in one Julian year?
- One Julian year = 8766 h (hours).