The difference between a.m. and p.m. is in the time of day. The designation a.m. refers to any time that is after midnight and prior to noon. Any time that is between noon and midnight is designated p.m.Know More
The designation a.m., which is short for ante meridiem in Latin, means "before the sun passes the meridian." An example of a.m. usage is 10:00 a.m. The designation p.m. is short for post meridiem in Latin. An example of p.m. usage is 3:00 p.m. Noon refers to 12:00 p.m., and midnight refers to 12:00 a.m.
The U.S. Army uses a 24-hour format to indicate time rather than a 12-hour format, so a.m. and p.m. are not needed.Learn more about Time & Calendars
Creating a schedule is a matter of mapping one's priorities onto the time available to accomplish them. A good schedule avoids overscheduling, creates buffers of time to accommodate interruptions and allows for regular breaks.Full Answer >
Daily schedules, unlike weekly or monthly planners, show specific information about the hours of a given day. There are many electronic applications and free templates for daily schedules, but you can also create your own.Full Answer >
The current era on the geologic time scale is the Cenozoic Era. The era began after the K-T extinction resulted in the end of the Mesozoic Era around 65 million years ago.Full Answer >
In the Northern Hemisphere, the official summer season begins with the June solstice, which takes place on June 20th, 21st or 22nd each year, and ends with the September equinox, which takes place on September 22nd or 23rd each year; the exact duration of summer depends on when the solstice and equinox will take place and can range from 92 to 95 days. Though summer is associated with warm temperatures and the concept of 'summer break' for students, the season has an official scientific definition, as is defined above. Summer weather in the Northern Hemisphere may begin before the official start of the season and last until after fall has begun with the advent of the September equinox.Full Answer >