The Pacific Time Zone observes standard time by subtracting eight hours from Coordinated Universal Time (UTCâ8). The standard time in this zone is based on the mean solar time of the 120th meridian west of the Greenwich Observatory.he Pacific Time Zone observes standard time by subtracting eight hours from Coordinated Universal Time (UTCâ8). The standard time in this zone is based on the mean solar time of the 120th meridian west of the Greenwich Observatory.
What does viability mean in Agriculture Dictionary?: the power of a cell, organism, spore, seed or any other living thing to endure and carry on its life processes. Home Tools
When used to describe a fetus, or developing baby, the term viability refers to the time in pregnancy when the baby can be born and have a reasonable chance of survival. For most hospitals in the United States, the age of viability is about 24 weeks 0 days of the pregnancy. The term age of viability refers to the point in pregnancy at which the baby could have a chance of survival if born prematurely, which is generally around 24 weeks of pregnancy.