What's the first train to Bangkok tomorrow and how do I book a ticket?

The first train from Hua Hin to Bangkok tomorrow departs at 00:14. This train is the Special Express #42/44, arriving in Bangkok at 03:45. To book a ticket, you can either purchase at the station counters or book online in advance, choosing to collect at the station or have it sent by post. It's recommended to book in advance, especially during busy periods.