When is a trademark protected from? (what date is a trademark protected from?)

The registered trademark protected from the date of filing. However as trademarks are jurisdictional rights, this depends on the country. To check the date a trademark is protected from refer to – https://easy-trademarks.com/en/userguidedetail/When-is-a-trademark-protected-from-what-date-is-a-trademark-protected-from