git config --global alias.recent "branch --sort=committerdate --format '%(HEAD) %(if)%(HEAD)%(then)%(color:green)%(end)%(align:67)%(refname:short)%(end)%(color:reset)%(committerdate:short)'"
Example output:
$ git recent
master 2016-06-27
traverse-index2 2017-10-23
fix-gitk-ttk-style 2018-03-03
completion-optimize-ls-files-filter 2018-03-11
completion-optimize-ls-files-filter2 2018-03-17
completion-optimize-ls-files-filter3 2018-03-18
completion-optimize-ls-files-filter3-mingw 2018-03-19
completion-optimize-ls-files-filter4 2018-04-04
path-filter 2018-04-30
1653-rename 2018-05-12
1653-chmod 2018-06-11
setbuf 2018-10-01
* (HEAD detached at 0a121c30e4) 2019-03-08
dont-clean-junctions 2019-03-09