how much time has elapsed between letter 1 and 2? where is walton now

One month has lapsed. His ship is trapped in ice and fog. Walton is searching for a Northern passage to the Pacific. Walton is an explorer and romantic at heart. Walton, above all, craves the company of a like-minded soul. He is determined to accomplish "some great purpose." Like Victor, Walton has ambition, drive, and the desire for glory.