Add time zone info

Author: maxvp

src/content/docs/cloudflare-one/policies/gateway/dns-policies/timed-policies.mdx

@@ -16,7 +16,7 @@ To set a duration for a DNS policy:
 1. In [Zero Trust](https://one.dash.cloudflare.com), go to **Gateway** > **Firewall policies** > **DNS**.
 2. Create a new DNS policy or choose an existing policy and select **Edit**.
 3. In **Configure policy settings**, turn on **Set a policy duration**.
-4. Choose _Duration_ and enter a specific amount of time until the policy expires or choose _Exact end time_ and enter a specific date and time for the policy to expire.
+4. Choose _Duration_ and enter a specific amount of time until the policy expires or choose _Exact end time_ and enter a specific date and time in your account's time zone for the policy to expire.
 5. Select **Save policy**.
 
 When a policy expires, it will remain inactive until you turn it back on. You can reset the policy duration, which will turn the policy back on for the set time duration. To reset a policy's duration, select the policy and choose **Reset policy duration**.