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Time
This category is for questions about the methods humans go about measuring the passage of time. You can also find questions about converting one unit of time to another.
9,512 Questions
An eon is the longest geologic time period, typically lasting billions of years. It is subdivided into eras, which are further divided into periods, epochs, and ages.
When is sunset in Spring Texas on March 22 2009?
The time of sunrise and sunset is very dependent on the precise location and the date in question.
You can calculate the time of sunrise and sunset easily by visiting the United States Naval Observatory web site's Sunrise & Sunset calculator. You will need the date, city and state for US locations, or the date, latitude, longitude and time zone for any other locations in the world.
The site is
http://www.usno.navy.mil/USNO/astronomical-applications/data-services/rs-one-day
You can also calculate the times of sunrise and sunset for one year at a given location at the site:
http://www.usno.navy.mil/USNO/astronomical-applications/data-services/rs-one-year
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The following information is provided for Spring Valley, Harris County, Texas (longitude W95.5, latitude N29.8): Sunday
22 March 2009 Central Daylight Time
SUN
Begin civil twilight 6:59 a.m.
Sunrise 7:23 a.m.
Sun transit 1:29 p.m.
Sunset 7:35 p.m.
End civil twilight 7:59 p.m.
MOON
Moonset 3:07 p.m. on preceding day
Moonrise 5:00 a.m.
Moon transit 10:29 a.m.
Moonset 4:04 p.m.
Moonrise 5:31 a.m. on following day
Phase of the Moon on 22 March: waning crescent with 16% of the Moon's visible disk illuminated. New Moon on 26 March 2009 at 11:07 a.m. Central Daylight Time.
How accurate in seconds is an atomic clock in 1.7 million years?
An atomic clock is accurate to within one second over the span of about 100 million years, based on the current technology. Therefore, in 1.7 million years, an atomic clock would likely remain accurate to within a fraction of a second. Understand that this is an estimate and factors like maintenance and improvements in technology could affect this accuracy.
Is there any relation between time and formation of universe?
Yes, time was created at the moment of the Big Bang, making the formation of the universe and the concept of time interconnected. As the universe expands and evolves, time is a crucial parameter for understanding the sequence of events and changes that have occurred since the beginning. The study of cosmology relies on the relationship between time and the formation of the universe to unravel its history and predict its future.
What time is sunset Tucson AZ March 22 2009?
Month Sunrise Sunset January 7:25 5:42 February 7:06 6:10 March 6:34 6:32 April 5:55 6:53 May 5:26 7:15 June 5:17 7:32 July 5:28 7:31 August 5:48 7:08 September 6:08 6:30 October 6:27 5:51 November 6:53 5:23 December 7:17 5:20 Average Monthly Temperatures & Climate Month Avg HighAvg Low Precipitation January 64 F 39 F 0.9 inches February 68 F 41 F 0.7 inches March 73 F 45 F 0.7 inches April 81 F 50 F 0.3 inches May 90 F 58 F 0.2 inches June 100 F 68 F 0.2 inches July 99 F 74 F 2.4 inches August 97 F 72 F 2.2 inches September 93 F 67 F 1.7 inches October 84 F 57 F 1.1 inches November 73 F 46 F 0.7 inches December 64 F 40 F 1.1 inches MonthSunrise Sunset January 7:25 5:42 February 7:06 6:10 March 6:34 6:32 April 5:55 6:53 May 5:26 7:15 June 5:17 7:32 July 5:28 7:31 August 5:48 7:08 September 6:08 6:30 October 6:27 5:51 November 6:53 5:23 December 7:17 5:20 Average Monthly Temperatures & Climate Month Avg High Avg LowPrecipitation January 64 F 39 F 0.9 inches February 68 F 41 F 0.7 inches March 73 F 45 F 0.7 inches April 81 F 50 F 0.3 inches May 90 F 58 F 0.2 inches June 100 F 68 F 0.2 inches July 99 F 74 F 2.4 inches August 97 F 72 F 2.2 inches September 93 F 67 F 1.7 inches October 84 F 57 F 1.1 inches November 73 F 46 F 0.7 inches December 64 F 40 F 1.1 inches Month SunriseSunset January 7:25 5:42 February 7:06 6:10 March 6:34 6:32 April 5:55 6:53 May 5:26 7:15 June 5:17 7:32 July 5:28 7:31 August 5:48 7:08 September 6:08 6:30 October 6:27 5:51 November 6:53 5:23 December 7:17 5:20 Average Monthly Temperatures & Climate Month Avg High Avg Low PrecipitationJanuary 64 F 39 F 0.9 inches February 68 F 41 F 0.7 inches March 73 F 45 F 0.7 inches April 81 F 50 F 0.3 inches May 90 F 58 F 0.2 inches June 100 F 68 F 0.2 inches July 99 F 74 F 2.4 inches August 97 F 72 F 2.2 inches September 93 F 67 F 1.7 inches October 84 F 57 F 1.1 inches November 73 F 46 F 0.7 inches December 64 F 40 F 1.1 inches
2641.667 mins or just over 44 hours. This is a day and 20 hours
Without accounting for leap years and such, we have
60 x 365 x 24 x 60 x 60 = 1892160000 seconds
How does a shadow change during the day?
When you stand in the sun , your body is a virtual sundial.When it is high noon, you will see little or no shadow . As the sun goes down , your shadow will move to the right , and act like the little hand on the face of a clock.In the morning , you will see your shadow on your left [ keep your back to the sun to see the time ] With practice , you can get pretty accurate.
What will the time be in est zone if gmt is 17.30?
The answer to this question will depend on what you are using the abbreviation IST to stand for. IST could represent Irish Summer Time, Israeli Standard Time, Iran Standard Time, or Indian Standard Time. The time zone information for each is below to compare to GMT:
Irish Summer Time GMT/UTC +1
Israeli Standard Time GMT/UTC +2
Iran Standard Time GMT/UTC +3:30
Indian Standard Time GMT/UTC +5:30
Examples:
If it were GMT 8:30 am, the Irish Summer Time would be 9:30 am.
If it were GMT 8:30 am, the Israeli Standard Time would 10:30 am.
If it were GMT 8:30 am, the Iran Standard Time would 12:00 pm (noon).
If it were GMT 8:30 am, the Indian Standard Time would 2:00 pm.
An eon is typically defined as a very long period of time, usually lasting billions of years. It is not typically divided into specific numerical years like a decade or a century.
What are the US and its Territory time zones?
Time Zone of Each State and Territory of the United States:
- Alabama: CST/CDT
- Alaska: AKST/AKDT and HAST/HADT
- American Samoa: SST
- Arizona: MST
- Arkansas: CST/CDT
- California: PST/PDT
- Colorado: MST/MDT
- Connecticut: EST/EDT
- Delaware: EST/EDT
- District of Columbia: EST/EDT
- Florida: EST/EDT and CST/CDT
- Georgia: EST/EDT
- Guam: ChST
- Hawaii: HAST
- Idaho: MST/MDT and PST/PDT
- Illinois: CST/CDT
- Indiana: EST/EDT and CST/CDT
- Iowa: CST/CDT
- Kansas: CST/CDT and MST/MDT
- Kentucky: EST/EDT and CST/CDT
- Louisiana: CST/CDT
- Maryland: EST/EDT
- Maine: EST/EDT
- Massachusetts: EST/EDT
- Michigan: EST/EDT and CST/CDT
- Minnesota: CST/CDT
- Mississippi: CST/CDT
- Missouri: CST/CDT
- Montana: MST/MDT
- Nebraska: CST/CDT and MST/MDT
- Nevada: PST/PDT
- New Hampshire: EST/EDT
- New Jersey: EST/EDT
- New Mexico: MST/MDT
- New York: EST/EDT
- North Carolina: EST/EDT
- North Dakota: CST/CDT and MST/MDT
- Northern Mariana Islands: ChST
- Ohio: EST/EDT
- Oklahoma: CST/CDT
- Oregon: MST/MDT and PST/PDT
- Pennsylvania: EST/EDT
- Puerto Rico: AST
- Rhode Island: EST/EDT
- South Carolina: EST/EDT
- South Dakota: CST/CDT and MST/MDT
- Tennessee: EST/EDT and CST/CDT
- Texas: CST/CDT and MST/MDT
- United States Virgin Islands: AST
- Utah: MST/MDT
- Vermont: EST/EDT
- Virginia: EST/EDT
- Washington: PST/PDT
- West Virginia: EST/EDT
- Wisconsin: CST/CDT
- Wyoming: MST/MDT
Abbreviations (in alphabetical order):
- AKDT = Alaska Daylight Saving Time (UTC-8)
- AKST = Alaska Standard Time (UTC-9)
- AST = Atlantic Standard Time (UTC-4)
- CDT = Central Daylight Saving Time (UTC-5)
- ChST = Chamorro Standard Time (UTC+10)
- CST = Central Standard Time (UTC-6)
- EDT = Eastern Daylight Saving Time (UTC-4)
- EST = Eastern Standard Time (UTC-5)
- HADT = Hawaii-Aleutian Daylight Saving Time (UTC-9)
- HAST = Hawaii-Aleutian Standard Time (UTC-10)
- MDT = Mountain Daylight Saving Time (UTC-6)
- MST = Mountain Standard Time (UTC-7)
- PDT = Pacific Daylight Saving Time (UTC-7)
- PST = Pacific Standard Time (UTC-8)
- SST = Samoa Standard Time (UTC-11)
- UTC = Coordinated Universal Time
Areas that observe daylight saving time do so from 2am local standard time on the second Sunday of March until 2am local daylight saving time on the first Sunday of November.
midnight starts at 12:00am (and ends at 5:00am). afternoon ends at 11:59pm.
Are seconds part of the metric system?
Seconds are not part of the metric system, they are a unit of time measurement. The metric system is based on the meter, kilogram, and second as the base units for length, mass, and time respectively.
How long is a month on the Moon?
a month is a unit of time so a month on the moon would be as long as a month anywhere else
in any case a couple of weeks would be more than enough
What nation has the sunrise and sunset at the same time?
There is no nation where the sunrise and sunset occur at the same time. Sunrise and sunset happen at different times due to the Earth's rotation on its axis.
What time is sunset in fairfield ct on October 23 2009?
The sunset time in Fairfield, CT on October 23, 2009, was at approximately 6:05 PM local time. Sunset times can vary depending on your exact location within the city.
Sundials work by using the sun's position to cast a shadow onto a marked surface, such as a calibrated plate or ground. As the sun moves across the sky, the shadow changes, allowing people to tell time based on the position of the shadow in relation to the markings. The angle of the shadow indicates the time of day.
What was the week day on 28 June 1491?
If that is a Gregorian date, it's a Sunday. However, the Gregorian calendar did not yet exist in 1491, so it might be a Julian date, which would make it a Tuesday.
12 am is called midnight because it is the point at which 12 hours have passed since noon (midday) and the start of a new day. The term "midnight" signifies the middle point of the night, with "mid" meaning middle and "night" referring to the time of day when it is dark.
Night typically starts around sunset, which is when the sky begins to darken and the sun is no longer visible. Night officially begins when the sun has fully set and darkness settles in. This time can vary depending on your location and the time of year.
