how to channge branch name in github code example

Example 1: how to change branch name in github

$ git branch -m OLD-BRANCH-NAME NEW-BRANCH-NAME
$ git fetch origin
$ git branch -u origin/NEW-BRANCH-NAME NEW-BRANCH-NAME

Example 2: change name of branch github

git push origin :old-name-of-branch-on-github
git branch -m old-name-of-branch-on-github new-name-for-branch-you-want
git push origin new-name-for-branch-you-want