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On what date will Betelgeuse be on the meridian at 12 midnight tonight?
The date on which Betelgeuse will be on the meridian at 12 midnight depends on your location and the current date. You can check a star chart or astronomy app for your specific observing location to determine when Betelgeuse will cross the meridian at midnight tonight.
If it is noon at the southernmost point of a meridian it is midnight at the northernmost point of the same meridian?
Yes, that's correct. In a meridian, the time difference between the northernmost and southernmost points is 12 hours due to the Earth's rotation. When it is noon at the southernmost point, it is midnight at the northernmost point along the same meridian.
When does gmt start?
Greenwich Mean Time (GMT) is the standard time at the Prime Meridian in Greenwich, London. GMT starts at midnight (00:00) at the Prime Meridian and is used as a reference point for time zones around the world.
What is the abbreviation prime meridian?
Greenwich Mean Time or Greenwich Meridian Time (GMT) is the prime meridian located at the former Royal Observatory in Greenwich, England. The start of a solar day originally occurred at noon. But in 1925 the numbering system for GMT was changed, and 0000 GMT now allows the day to begin at midnight.
Is the prime meridian the international dateline?
No, the prime meridian and the International Date Line are two different imaginary lines on Earth. The prime meridian is the line of longitude at 0 degrees, dividing the Earth into Eastern and Western Hemispheres. The International Date Line, on the other hand, runs mostly along the 180th meridian and marks the change of one calendar day to the next.
On what date will Betelgeuse be on the meridian at 12 midnight tonight?
The date on which Betelgeuse will be on the meridian at 12 midnight depends on your location and the current date. You can check a star chart or astronomy app for your specific observing location to determine when Betelgeuse will cross the meridian at midnight tonight.
Is midnight or noon am?
"Morning." The abbreviations AM and PM stand for Ante Meridian and Post Meridian, respectively. The terms ante and post mean before and after. The term meridian refers to when the sun is at the middle of its arc across the sky. Nominally the sun is at its meridian at noon. Since it is *at* its meridian this is neither before nor after the meridian. It *is* the meridian. Likewise, midnight is neither 12 AM nor 12 PM. It is equally far from both. It is simply 12 midnight. The military clock is better than the civilian clock for many reasons. One is that eliminates the complexity of specifically accounting for whether a time is before of after midnight. On the military clock noon is read as 1200 hours, and midnight is read as 2400 hours.
What is PM and AM?
Am and pm are latin, ante/post meridiem. In application AM is from 12 midnight to 11.59 before noon and pm is from 12 noon to 11.59 before midnight
Full form of AM and PM?
AM is ante meridian - After 12Midnight and before 12 Noon. PM is post meridian - After 12 Noon and Before 12 Midnight.
Is 12pm midnight or noon?
12PM is commonly used improper terminology. There is no such thing. If you see it in print it is wrong and you may have to use context to determine what the writer meant. The abbreviations AM and PM stand for Ante Meridian and Post Meridian, respectively. The terms ante and post mean before and after. The term meridian refers to when the sun is at the middle of its arc across the sky. Nominally the sun is at its meridian at noon. Since it is *at* its meridian this is neither before nor after the meridian. It *is* the meridian. Likewise, midnight is neither 12 AM nor 12 PM. It is equally far from both. It is simply 12 midnight. The military clock is better than the civilian clock for many reasons. One is that eliminates the complexity of specifically accounting for whether a time is before of after midnight. On the military clock noon is read as 1200 hours, and midnight is read as 2400 hours.
What is ment by post mariden in sense of time?
Meridian is latin for midday so post meridian is the time after noon to jusst before midnight
When stating a time of day m is an abbreviation for what phrase?
The period from midnight to noon is referred to as ante meridian, abbreviated as a.m. The period from noon to midnight is referred to as post meridian, abbreviated as p.m. Meridian refers to noon, when the sun is highest in the sky. Ante means before, and post means after.
At what time of night would a full moon pass the meridian?
A full moon passes the meridian around midnight. This is when it is highest in the sky and directly south, making it the best time for stargazing and moon watching.
What is meant by post-meridian?
After noon, before midnight. The correct spelling is Post Meridiem.
If it is noon at the southernmost point of a meridian it is midnight at the northernmost point of the same meridian?
Yes, that's correct. In a meridian, the time difference between the northernmost and southernmost points is 12 hours due to the Earth's rotation. When it is noon at the southernmost point, it is midnight at the northernmost point along the same meridian.
If it is noon along the prime meridian what time would it be along the international date line?
Midnight.
If it is noon at the southernmost point of a meridian it is midnight at the northernmost point of the same meridian.?
No. A meridian is a line of longitude and on that line it is the same time everywhere. You need to go 180 degrees round the planet to get 12 hours difference.
