From Beijing to Tianjin, you can take the Beijing-Tianjin Intercity Train which is very fast and convenient. The trains depart from Beijing South Railway Station and can reach Tianjin within half an hour. The trains are available every 10 to 20 minutes from 06:35 to 20:25. From Tianjin to Hangzhou, you can take the train T33, departs at 16:10 and arrives at Hangzhou at 09:20 of the next morning. If you do not want to take long-distance train from Tianjin to Hangzhou, you can take a flight which will only take you less than 2 hours.