Use the clock icon in your code
Font Awesome 6 Free · Solid style · Unicode U+F017 · class fa-clock
HTML
<i class="fa-solid fa-clock"></i>
<!-- Font Awesome 4/5 style class also works in 6: -->
<i class="fa fa-clock"></i>
CSS pseudo-element
.my-clock::before {
font-family: "Font Awesome 6 Free";
font-weight: 900;
content: "\f017";
}
HTML entity / JavaScript
 <!-- inside an element using the FA font -->
"\u{f017}" // JavaScript string
Load the font once (CDN)
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.0.0/css/all.min.css">
Prefer the PNG from the editor above when the icon has to sit in a document, a slide or an email where web fonts do not load. Use the code when it is going on a web page — it stays sharp at any size and takes the text colour.
Same family: clock
Icons that share a word with clock — useful when you need a matching set.
more icons
here is some more icons for you to use.