Build Enterprise-Grade RAG Applications | LIVE 8-Hour Marathon
Total watch time
8h 30m
at 1× speed · exactly 8 hours, 30 minutes at 1×
| 1× | 8h 30m |
|---|---|
| 1.25× | 6h 48m |
| 1.5× | 5h 40m |
| 1.75× | 4h 51m 26s |
| 2× | 4h 15m |
Embed a badge
Show the length in a README or course description — it links back here and updates itself
Markdown
[](https://playlistduration.com/video/bjkjaqUZl4E)HTML
<a href="https://playlistduration.com/video/bjkjaqUZl4E"><img src="https://playlistduration.com/badge/video/bjkjaqUZl4E.svg" alt="Length: 8h 30m" width="111" height="20"></a>Add ?speed=1.5 to the image URL for the time at that speed, ?label=Course to change the left text, or ?style=flat-square for square corners.
Want the numbers themselves? GET https://playlistduration.com/api/v1/video/bjkjaqUZl4E returns them as JSON — free, no key. API docs →
Data from the YouTube Data API as of 2026-09-22 (cached).