https://community.esri.com/t5/arcgis-pro-questions/calculating-burn-roughs-in-arcpro/m-p/1417781#M82643 <P>dates changed between python 2.7 and 3.x, you will have to check the appropriate python documentation and examples on the web.&nbsp; Here is an example of what is returned in python 3.11</P><P>&nbsp;</P><LI-CODE lang="python">d1 = datetime(2024, 1, 1) import datetime d1 = datetime.datetime(2024, 1, 1) d2 = datetime.datetime(2024, 1, 31) d2 - d1 datetime.timedelta(days=30) (d2 - d1)/365 datetime.timedelta(seconds=7101, microseconds=369863)</LI-CODE><P>so you will have to convert to your appropriate date format and or desired scalar value</P> Wed, 01 May 2024 20:50:04 GMT DanPatterson 2024-05-01T20:50:04Z https://community.esri.com/t5/arcgis-pro-questions/calculating-burn-roughs-in-arcpro/m-p/1417737#M82636 <P>Trying to calculate burn roughs in ArcPro. No problem calculating in ArcGIS 10.8.</P><P>Burn rough2 = (Date1 - Last_burned)/365</P><P>Current_date and last_burned_date are date fields (month/day/year)</P><P>When I attempt to run I get following error:</P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="Ronowens1_0-1714591571876.jpeg" style="width: 400px;"><img src="https://community.esri.com/t5/image/serverpage/image-id/102722i613CC67CA942003D/image-size/medium?v=v2&amp;px=400" role="button" title="Ronowens1_0-1714591571876.jpeg" alt="Ronowens1_0-1714591571876.jpeg" /></span></P><P>Anyone know what changed from ArcGIS to ArcPro, and how to correct?</P><P>I thank you,</P><P>RRO</P> Wed, 01 May 2024 19:28:37 GMT https://community.esri.com/t5/arcgis-pro-questions/calculating-burn-roughs-in-arcpro/m-p/1417737#M82636 Ronowens1 2024-05-01T19:28:37Z https://community.esri.com/t5/arcgis-pro-questions/calculating-burn-roughs-in-arcpro/m-p/1417781#M82643 <P>dates changed between python 2.7 and 3.x, you will have to check the appropriate python documentation and examples on the web.&nbsp; Here is an example of what is returned in python 3.11</P><P>&nbsp;</P><LI-CODE lang="python">d1 = datetime(2024, 1, 1) import datetime d1 = datetime.datetime(2024, 1, 1) d2 = datetime.datetime(2024, 1, 31) d2 - d1 datetime.timedelta(days=30) (d2 - d1)/365 datetime.timedelta(seconds=7101, microseconds=369863)</LI-CODE><P>so you will have to convert to your appropriate date format and or desired scalar value</P> Wed, 01 May 2024 20:50:04 GMT https://community.esri.com/t5/arcgis-pro-questions/calculating-burn-roughs-in-arcpro/m-p/1417781#M82643 DanPatterson 2024-05-01T20:50:04Z