In addition to having your extinguisher inspected annually, you should have it hydrotested every 12 years. A fire extinguisher hydrotest is the best way to check for any cracks or degradation of the fire extinguisher shell and will help you tell whether your old fire extinguishers are up to the task.n addition to having your extinguisher inspected annually, you should have it hydrotested every 12 years. A fire extinguisher hydrotest is the best way to check for any cracks or degradation of the fire extinguisher shell and will help you tell whether your old fire extinguishers are up to the task.
Home > Holiday and Occasions > Fall - Autumn > When is the first day of Fall - Autumn 2017? When is the first day of fall 2017? In 2017, fall begins on September 22rd (at 20:02 UTC) for countries in the Northern Hemisphere. The date may be different for you based on what time zone you live in. This chart reflects the UTC time zone. Note: Equinoxes are opposite on each side of the equator.
Fall begins (Northern H.) History. Fall begins in the Northern Hemisphere when the Sun is perpendicular to the equator. This day has equal hours of day and night. The first day of Fall is also called the Autumnal Equinox. In many areas it coincides with harvests. The first day of Fall happens between each year between September 22 and 24.