Finland will switch to winter time on the night of Saturday 27/Sunday 28 October. Clocks are turned back one hour on Sunday 28 October at 4am.
The Saturday service will run on summer time. In other words, also early morning services will run on summer time. Beginning from Sunday morning service, transport services will operate on winter time.
The following bus services will run on both summer and winter time:
Bus 562N from Mellunmäki at 3.02am and from Helsinki Airport at 3.05am.
Bus 615 from Rautatientori (Railway Square) at 3.10am and 3.40am and from Helsinki Airport at 3.27am and 3.57am.
Bus 633N from Rautatientori to Kerava (Sorsakorpi) at 4.12am.
Commuter trains whose departure time is before 4am will run only on summer time and trains leaving after 4am will operate on winter time.
The following exceptions will apply:
L train from Helsinki to Kirkkonummi at 4.08am, will leave from Helsinki according to summer time at 3.08am. There is no train at 4.08am winter time.
T train from Helsinki to Riihimäki at 4.21am will leave from Helsinki according to summer time at 3.21am. There is no train at 4.21am winter time.
T train from Riihimäki at 3.53am (Jokela 4.16am, Kerava 4.35am) will only operate according to winter time.
N train from Kerava and 4.05am will only operate according to winter time.