| PASS Setting the start time of an animation without an active timeline | |
| PASS Setting an unresolved start time an animation without an active timeline does not clear the current time | |
| PASS Setting the start time clears the hold time | |
| PASS Setting an unresolved start time sets the hold time | |
| PASS Setting the start time resolves a pending ready promise | |
| PASS Setting the start time resolves a pending pause task | |
| PASS Setting an unresolved start time on a play-pending animation makes it paused | |
| PASS Setting the start time updates the finished state | |
| PASS Setting the start time of a play-pending animation applies a pending playback rate | |
| PASS Setting the start time of a playing animation applies a pending playback rate | |