Change "New" post sorting option icon

[Emiliaaah]

Introduction

I'm personally not a big fan of the sun icon for "New" sorting option for posts and comments. So I'd like to propose that we change this.

Preview of what it looks like currently:

I think it's a bit confusing when it looks like this:

Requirements

What needs to be done?

Discussion

Since this is highly personal I'd like to hear other people's opinion on changing this, since this could just be a me thing. So feel free to let me know if you feel the same way and if you do what icon you'd like for it to be instead.

What I Need

That the icon for the "New" post and comment sorting option is changed to whatever is decided by the discussions here.