Russia spans across multiple time zones due to its vast territory. The country covers nine time zones in total. Here is a breakdown of the time zones in Russia:

1. Kaliningrad Time Zone (UTC+2): This time zone is observed in the Kaliningrad Oblast, which is the westernmost region of Russia. It is two hours ahead of Moscow Time.

2. Moscow Time Zone (UTC+3): This time zone is used in most of European Russia, including major cities like Moscow and Saint Petersburg. It is the standard time zone for the country.

3. Samara Time Zone (UTC+4): The Samara Time Zone is observed in Samara Oblast and Udmurtia. It is one hour ahead of Moscow Time.

4. Yekaterinburg Time Zone (UTC+5): This time zone is used in the Ural Federal District, including the city of Yekaterinburg.

5. Omsk Time Zone (UTC+6): The Omsk Time Zone is observed in Omsk Oblast and western Siberia.

6. Krasnoyarsk Time Zone (UTC+7): This time zone covers a large part of Siberia, including Krasnoyarsk Krai and Tuva Republic.

7. Irkutsk Time Zone (UTC+8): The Irkutsk Time Zone is used in Irkutsk Oblast and Buryatia. It is eight hours ahead of Coordinated Universal Time (UTC+8).

8. Yakutsk Time Zone (UTC+9): This time zone is observed in the Sakha Republic (Yakutia) and covers a vast area in eastern Siberia.

9. Vladivostok Time Zone (UTC+10): The Vladivostok Time Zone is used in Primorsky Krai, Amur Oblast, and the Jewish Autonomous Oblast. It is ten hours ahead of Coordinated Universal Time (UTC+10).

It is important to note that some regions in Russia, such as Chukotka Autonomous Okrug and Kamchatka Krai, observe additional time zones. These regions are even further ahead of Moscow Time.

References:

• "Time in Russia." Wikipedia, Wikimedia Foundation, 29 Oct. 2021, en.wikipedia.org/wiki/Time_in_Russia.