LAHORE - Total solar eclipse will occur on Friday (today) and will be visible in countries from Canada, Central Russia, Magnolia and China. Partial eclipse will be visible in Pakistan. Total eclipse will begin at 3:11 pm PST, partial at 2:04 pm and greatest at 4:21 pm. Total eclipse will end at 5:21 pm and partial at 6:38 pm. Partial solar eclipse will be visible in entire Pakistan. In Lahore, the partial eclipse will start at 4:25:25 pm and end at 6:22:31 pm. The greatest eclipse will be at 5:26:36 pm with the sun disk coverage of 55.3 pc. In Islamabad, the partial eclipse will start at 4:19:53 pm and will end at 6:19:22 pm. The greatest eclipse will be at 5:22:19 pm with sun disk coverage of 57.7 percent. In Karachi, the partial eclipse will start at 4:41:02 pm and will end at 6:26:08 pm. The greatest eclipse will be at 5:35:50 pm with 30.2 percent sun disk coverage. In Peshawar, the partial eclipse will start at 4:18:22 pm and will end at 6:18:22 pm. The greatest eclipse will be at 5:21:04 pm with 55.8 percent sun disk coverage. In Quetta, the partial eclipse will start at 4:22:02 pm and will end at 6:20:37 pm. The greatest eclipse will be at 5:25:53 pm with 40.1 percent sun disk coverage. The solar eclipse will be a total eclipse of the sun with a magnitude of 1.039 that will be visible from a narrow corridor through northern Canada (Nunavut), middle of Russia, western Mongolia, and China. It belongs to the so-called midnight sun eclipses, as it will be visible from regions experiencing midnight sun. In Siberia, the total eclipse zone will pass through populated places, including the "capital of Siberia" Novosibirsk, and the cities of Nizhnevartovsk, Barnaul, Biysk. Greatest eclipse duration will be reached near the town of Nadym in Yamalo-Nenets Autonomous Okrug in Northern Siberia. A partial eclipse will be seen from the much broader path of the moon's penumbra, including eastern North America and most of Europe and Asia. Talking to a private TV channel, Dr Naseem Ahmed said that only medically approved solar filters could be used for viewing the solar eclipse. He said that regular, tinted or dark sunglasses, smoked glasses or photographic negatives were not recommended as they would not be able to block all the harmful infrared rays of sun.