How can I set the default settings for the country, city, and timing of my store?

There are several settings that can be set as default on your store.

Go to settings from your dashboard, then language and region:

From here you can set the default settings for:

* The default country, city.

* the currency.

* Timezone

* Storefront language.

* backend language.

* Default weight units for lengths.

* Default weight units for weights.