*Last updated: 2023-03-16.*
# tf_quant_finance.datetime.utils.is_leap_year
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Calculates whether years are leap years.
```python
tf_quant_finance.datetime.utils.is_leap_year(
years
)
```
#### Args:
* `years`: Tensor of int32 type. Elements should be positive.
#### Returns:
Tensor of bool type.