Standard Swedish time is GMT (aka Zulu - aka UTC) +1. PST (California, Washington, Oregon, et. Al.) is GMT - 8. So the difference is 9 hours. That is to say that the day starts 9 hours earlier in Sweden than it does in California.
The PST zone is one hour ahead of the Alaska Time Zone, one hour behind the Mountain Time Zone and three hours behind the Eastern Time Zone.
The PST zone is one hour ahead of the Alaska Time Zone, one hour behind the Mountain Time Zone and three hours behind the Eastern Time Zone.