A network device including a queue, a timing module, an adjustment module, a register module and a blocking shaper. The queue is configured to store a frame. The timing module is configured to generate a local clock signal. The adjustment module is configured to determine (i) based on a first edge of a global clock signal, an expected time of a second edge of the global clock signal, and (ii) a window centered on the expected time of the second edge of the global clock signal. The register module is configured to capture a time of a first edge of the local clock signal. The adjustment module is configured to, based on the captured time of the first edge of the local clock signal and the time of the first edge of the global clock signal, generate an adjustment signal to center a second edge of the local clock signal in the window. The blocking shaper is configured to, subsequent to adjusting the second edge of the local clock signal, block transmission of the frame from the network device based on timing of the local clock signal.