Moving the time interpolation down to within _Interpolator functions #683

Job	Run time
mypy	3m 19s
py3.13 \| macos \| integration tests	13m 34s
py3.13 \| macos \| unit tests	8m 21s
py3.13 \| ubuntu \| integration tests	16m 47s
py3.13 \| ubuntu \| unit tests	9m 24s
py3.13 \| windows \| integration tests	39m 44s
py3.13 \| windows \| unit tests	11m 36s
py3.10 \| ubuntu \| unit tests	10m 12s
py3.10 \| ubuntu \| integration tests	16m 11s
py3.11 \| ubuntu \| unit tests	9m 35s
py3.12 \| ubuntu \| unit tests	9m 36s
merge-test-artifacts	0s
	2h 28m 19s

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