Theben SELEKTA top2 Series Manual page 50

SU-WI FIN/GR/TR
Changeover rule valid for all countries in which the Eastern European time zone is applicable (Finland,
Greece, Turkey, etc.).

The time switch goes forward on the last Sunday in March from 3:00 AM to 4:00 AM and on
the last Sunday in October it goes back from 4:00 AM to 3:00 AM.
SU-WI CDN
The changeover rule for the USA and Canada according to the "Energy Policy Act 2005" (with the
exception of Arizona, Hawaii and parts of Indiana), which has no longer been applicable "temporarily"
since 2007.

The time switch goes forward on the first Sunday in April from 2:00 AM to 3:00 AM and on the
last Sunday in October it goes back from 3:00 AM to 2:00 AM.
SU-WI USA07
The changeover rule for the USA and Canada according to the "Energy Policy Act 2007" (with the
exception of Arizona, Hawaii and parts of Indiana), which has been applicable in the USA and Canada
"temporarily" since 2007.

The time switch goes forward on the second Sunday in March from 2:00 AM to 3:00 AM and
on the first Sunday in November it goes back from 3:00 AM to 2:00 AM.
SU-WI IRAN
Changeover rule which was applicable in Iran up until 2007 at least.

In accordance with the Persian calendar, the time switch goes forward at midnight on 1
Farvardin (21 March, or 20 March in a leap year) and goes back at midnight on 30 Shahrivar
(21 September, or 20 September in a leap year).
Comment: In the SELEKTA top2/top3 time switches, this is achieved by having the time switch
go forward on 22 March (21 March in a leap year) from 12:00 AM to 1:00 AM and on 22
September (21 September in a leap year) it goes back from 1:00 AM to 12:00 AM.
SU-WI FREE RULE
Here it is possible to stipulate your own changeover rule.

First set the month for the summer/winter time switchover.

Then set the week for the summer/winter time switchover (week 1 to 5). This corresponds to
the first, second, third, fourth or last week in the month (week 5 therefore always refers to the
last week in the month).
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