# TDPropagationTime

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#### TDPropagationTime

Section Time-Dependent::Propagation
Type float

The length of the time propagation. You cannot set this variable at the same time as TDMaxSteps. By default this variable will not be used.

The units for this variable are $\hbar$/Hartree (or $\hbar$/eV if you selected ev_angstrom as input units). The approximate conversions to femtoseconds are 1 fs = 41.34 $\hbar$/Hartree = 1.52 $\hbar$/eV.

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