Aspects described herein relate to receiving at least one indication of a capability to simultaneously transmit using two different radio access technology (RAT) sidelinks over respective frequency bands, receiving a time delta indication specifying a time delta from the time a sidelink grant, corresponding to a first RAT sidelink of the two different RAT sidelinks, is received to the time when resources of the sidelink grant can be used by the UE, and transmitting, based on receiving the time delta indication, at least one of the sidelink grant or a second sidelink grant for a second RAT sidelink of the two different RAT sidelinks.