# CZML time problem

**URL:** <https://community.cesium.com/t/czml-time-problem/16407>\
**Category:** CesiumJS\
**Created:** [December 6, 2021, 9:16am UTC](https://community.cesium.com/t/czml-time-problem/16407 "2021-12-06T09:16:12Z")\
**Posts on this page:** 5\
**Page:** 1

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**Author:** ![hosein\_movahedi](https://sea2.discourse-cdn.com/cesium/user_avatar/community.cesium.com/hosein_movahedi/32/6873_2.png) [@hosein\_movahedi](https://community.cesium.com/u/hosein_movahedi)\
**Post date:** [December 6, 2021, 9:16am UTC](https://community.cesium.com/t/czml-time-problem/16407/1 "2021-12-06T09:16:12Z")

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Why ?  
When I use CZML for drawing satellite orbit it has time limit and i can’t see next day?

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**Author:** ![sam.rothstein](https://sea2.discourse-cdn.com/cesium/user_avatar/community.cesium.com/sam.rothstein/32/6584_2.png) [@sam.rothstein](https://community.cesium.com/u/sam.rothstein)\
**Post date:** [December 6, 2021, 5:20pm UTC](https://community.cesium.com/t/czml-time-problem/16407/2 "2021-12-06T17:20:37Z")

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Hi @hosein_movahedi,

Thank you for your question! I would love to learn more about your overall application - what is your use case for `CZML`? In the meantime, it would be helpful if you could provide a sandcastle demo that showcases the issue that you are facing. I am looking forward to learning more.

-Sam

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**Author:** ![hosein\_movahedi](https://sea2.discourse-cdn.com/cesium/user_avatar/community.cesium.com/hosein_movahedi/32/6873_2.png) [@hosein\_movahedi](https://community.cesium.com/u/hosein_movahedi)\
**Post date:** [December 7, 2021, 10:06am UTC](https://community.cesium.com/t/czml-time-problem/16407/3 "2021-12-07T10:06:00Z")

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I use it to display satellite orbit like celectrack simulator.  
but it just have one day.

 ![image](https://global.discourse-cdn.com/cesium/original/2X/c/c9f8cdcba48fce98a5f2fdddb2f6189e9d63de7c.jpeg)

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<div class="post-metadata">

**Author:** ![sam.rothstein](https://sea2.discourse-cdn.com/cesium/user_avatar/community.cesium.com/sam.rothstein/32/6584_2.png) [@sam.rothstein](https://community.cesium.com/u/sam.rothstein)\
**Post date:** [December 7, 2021, 7:08pm UTC](https://community.cesium.com/t/czml-time-problem/16407/4 "2021-12-07T19:08:17Z")

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@hosein_movahedi

Thanks for the additional details. Have you tried updating the `CZML` parameters to allow for a larger time frame?

Best,  
Sam

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**Author:** ![mhernandez624](https://sea2.discourse-cdn.com/cesium/user_avatar/community.cesium.com/mhernandez624/32/7350_2.png) [@mhernandez624](https://community.cesium.com/u/mhernandez624)\
**Post date:** [December 7, 2021, 10:06pm UTC](https://community.cesium.com/t/czml-time-problem/16407/5 "2021-12-07T22:06:07Z")

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This happens to me as well, for example i’ve set the interval and availabilities of my czml packets to:  
“interval”:“2021-12-07T19:00:00Z/9999-12-31T23:59:59.9999999Z”,  
“availability”:“2021-12-07T19:00:00Z/9999-12-31T23:59:59.9999999Z”,

For most everything in the file, and the whole thing will just disappear on 12/8/21 after 24 hours regardless. Maybe this is because of the path interval lead time or trail times, or maybe the epoch attribute. I don’t really know, I haven’t been able to find a solution yet but it’s something I need to fix at some point. I know there a lot that goes on with clock as well, with the czml clock and I know even less about the scene clock. Wish I could just get it to loop for a segment of animation but I know its got position data it needs to try and process for the moving objects. I think whats happening is maybe since its only exporting 24 hours of movement data when I make the satellites(in stk) that it only circles one time around and then disappears because of that. But really I don’t know what causes it to go away after 1 day.