An "event" is defined by timestamp and location.
If you want to reach an event at any other timestamp but the actual one, you would have to reach it's location too.
If you want to jump back in time, you would have to push back the location of the event either. A local yesterday event happened a few hundred thousand kilometers back on our planets orbit.
If you could jump in time forward, you would end in empty space, waiting for the location to catch up.
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