# xarray.CFTimeIndex.is_monotonic_increasing

#### *property* CFTimeIndex.is_monotonic_increasing

Return a boolean if the values are equal or increasing.

* **Returns:**
  [`bool`](https://docs.python.org/3/builtins/functions.html#bool)

#### SEE ALSO
`Index.is_monotonic_decreasing`
: Check if the values are equal or decreasing.

### Examples

<div class="try_examples_button_container"><button class="try_examples_button" onclick="window.tryExamplesShowIframe('4c63f610-e089-40bb-8350-8a6a0a438d90','adf448b8-8b0a-44e9-b0c0-48ec7ab1b3c7','b39fa1b9-dd9e-47a0-9606-c72b6b3db5d9','../lite/tree/../notebooks/index.html?path=35c2e3e5_d254_4dd8_867c_046ae69a37b5.ipynb','None')">Try it in your browser!</button></div>
```pycon
>>> pd.Index([1, 2, 3]).is_monotonic_increasing
True
>>> pd.Index([1, 2, 2]).is_monotonic_increasing
True
>>> pd.Index([1, 3, 2]).is_monotonic_increasing
False
```

<div id="b39fa1b9-dd9e-47a0-9606-c72b6b3db5d9" class="try_examples_outer_iframe  hidden"><div class="try_examples_button_container"><button class="try_examples_button" onclick="window.tryExamplesHideIframe('4c63f610-e089-40bb-8350-8a6a0a438d90','b39fa1b9-dd9e-47a0-9606-c72b6b3db5d9')">Go Back</button><button class="try_examples_button" onclick="window.openInNewTab('4c63f610-e089-40bb-8350-8a6a0a438d90','b39fa1b9-dd9e-47a0-9606-c72b6b3db5d9')">Open In Tab</button></div><div id="adf448b8-8b0a-44e9-b0c0-48ec7ab1b3c7" class="jupyterlite_sphinx_iframe_container"></div></div><script>document.addEventListener("DOMContentLoaded", function() {window.loadTryExamplesConfig("../try_examples.json");});</script>