Incubator-echarts: Calendar months overlapping

[mikeyshing88]

Version

4.6.0

Reproduction link

https://echarts.apache.org/examples/en/editor.html?c=calendar-effectscatter

Steps to reproduce

Using the calendar chart, set.a range of ['2016-07-01', '2016-12-31'] (as example) and notice that December overlaps November. (This also renders the split lines for these months incorrectly).

The reproduction is from the official example

What is expected?

December and November should not overlap

What is actually happening?

December and November are overlapping

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[damiangreen]

---

[yufeng04]

I set the range of ['2016-07-01', '2016-12-31'], but it behaves normally.

[damiangreen]

Is your Timezone set to GMT / UTC?

[mikeyshing88]

Seems to be due to day light savings - possibly related to this PR https://github.com/apache/incubator-echarts/pull/12081

Update:

I tried the above PR change and it did not work as I expected.

I have since found this issue from last year that is working fine so far: https://github.com/apache/incubator-echarts/issues/10430

[echarts-bot[bot]]

This issue is labeled with priority: high, which means it's a frequently asked problem and we will fix it ASAP.

[Ovilia]

@mikeyshing88 Thanks for reporting. We will see to it and find if we can make a PR based on #10430 's solution. You are welcomed to make a PR if you wish.