Schedule Settings & Timezone

[pinhas]

Version 2.11.4 on Debian 7.0 32Bit

I'm having trouble with the campaign scheduler.
My timezone is set to America/Toronto (EST),

I have set the followings:

etc/timezone:
America/Toronto

newfies-dialer/settings_local.py:
TIME_ZONE = 'America/Toronto'

newfies-dialer/settings.py:
TIME_ZONE = 'America/Toronto'
# set use of timezone true or false
USE_TZ = True
CELERY_TIMEZONE = 'America/Toronto'
CELERY_ENABLE_UTC = True

Test:
When I start a campaign (Start*) now, it start now.
When I start a campaign (Start*) now, and I set (Daily start time*) 1 hour after, it start right away.
So playing with the (Daily start time*), it works if I set it 4 hours later than the current time (my timezone is -4 GMT)
example : it is now 13:00, if I want the campaign to start in exactly at 14:00, I have to set (Daily start time*)=18:00:00

Any suggesting in setting the the timezone correctly ?