File:Noun Project content icon 1762367.svg - Wikimedia Commons
Hour Icons - Free SVG & PNG Hour Images - Noun Project
Active Hours Icon - Free PNG & SVG 1180282 - Noun Project
working hours Icon - Free PNG & SVG 2635577 - Noun Project
opening hours Icon - Free PNG & SVG 2683718 - Noun Project
man-hour Icon - Free PNG & SVG 2289698 - Noun Project
File:Communication icon (The Noun Project).svg - Wikimania
Office Hours Icon - Free PNG & SVG 4573426 - Noun Project
Open Hours Icons - Free SVG & PNG Open Hours Images - Noun Project