Second Converter
Convert Second to Fortnight and more • 33 conversions
0
Unit Explanations
Second of Arc"
Source UnitA second of arc, also known as an arcsecond, is a unit of angular measurement that is equal to 1/3600 of a degree or 1/60 of an arcminute. It is used primarily in fields that require precise angular measurement, such as astronomy, navigation, and mapping. An arcsecond is a small unit, reflecting the requirement for high precision in measurements of celestial objects and angles on the Earth's surface. The notation for a second of arc is usually represented by a double prime symbol ("), following the degree and arcminute symbols.
Current Use
Today, the second of arc is indispensable in astronomy for measuring the positions and movements of celestial objects with high precision. It is also used in geodesy and cartography to define the precise angular relationships between points on the Earth. Additionally, arcseconds are employed in the calibration of telescopes and other optical instruments where small angular measurements are critical.
Fun Fact
An arcsecond is roughly the angle subtended by a U.S. dime at a distance of 2.4 miles.
Fortnightfn
Target UnitA fortnight is a time measurement that is equivalent to 14 consecutive days, or precisely two weeks. The term itself derives from the Old English term 'feowertiene niht', which translates to 'fourteen nights'. This unit has been commonly used in various cultures and timekeeping systems, particularly in the context of scheduling and planning, where the two-week span serves as an efficient means to allocate time for tasks, events, or projects. In addition to its practical applications, the fortnight can also be related to lunar cycles and agricultural planning, reflecting its historical significance in societal organization.
Current Use
Today, the fortnight is widely recognized in several contexts, including business, education, and planning. It is often used for payroll cycles (biweekly payments) and in academic settings to denote class schedules or term durations. In some cultures, it is also used for planning events, such as festivals or community activities, that may span two weeks. Although not part of the International System of Units (SI), the fortnight continues to be a practical measurement for organizing time in a variety of sectors.
Fun Fact
The fortnight is often used in literature and folklore, reflecting its cultural significance in storytelling.
All Time Conversions
74 convertersPopular Conversions
📐Conversion Formula
= × 1.00000How to Convert
To convert to , multiply the value by 1.00000. This conversion factor represents the ratio between these two units.
Quick Examples
💡 Pro Tip: For the reverse conversion ( → ), divide by the conversion factor instead of multiplying.
Second of Arc
angle • Non-SI
Definition
A second of arc, also known as an arcsecond, is a unit of angular measurement that is equal to 1/3600 of a degree or 1/60 of an arcminute. It is used primarily in fields that require precise angular measurement, such as astronomy, navigation, and mapping. An arcsecond is a small unit, reflecting the requirement for high precision in measurements of celestial objects and angles on the Earth's surface. The notation for a second of arc is usually represented by a double prime symbol ("), following the degree and arcminute symbols.
History & Origin
The concept of dividing a circle into degrees and further into minutes and seconds dates back to ancient Babylonian astronomers, who used a sexagesimal (base-60) number system. The division of a degree into 60 parts, known as minutes, and each minute into 60 parts, known as seconds, allowed for more precise measurement and calculation of angles in the study of celestial bodies. This system became widespread with the work of Greek and later Islamic scholars, who advanced astronomical knowledge and navigation.
Etymology: The term 'second' in this context comes from the Latin 'secunda', meaning 'second division' or 'second order', referring to its place in the hierarchical division of degrees.
Current Use
Today, the second of arc is indispensable in astronomy for measuring the positions and movements of celestial objects with high precision. It is also used in geodesy and cartography to define the precise angular relationships between points on the Earth. Additionally, arcseconds are employed in the calibration of telescopes and other optical instruments where small angular measurements are critical.
💡 Fun Facts
- •An arcsecond is roughly the angle subtended by a U.S. dime at a distance of 2.4 miles.
- •The Hubble Space Telescope can resolve images with an angular resolution of about 0.05 arcseconds.
- •In one parsec, which is a unit of astronomical distance, a star would have a parallax angle of one arcsecond.
📏 Real-World Examples
🔗 Related Units
Fortnight
time • Non-SI
Definition
A fortnight is a time measurement that is equivalent to 14 consecutive days, or precisely two weeks. The term itself derives from the Old English term 'feowertiene niht', which translates to 'fourteen nights'. This unit has been commonly used in various cultures and timekeeping systems, particularly in the context of scheduling and planning, where the two-week span serves as an efficient means to allocate time for tasks, events, or projects. In addition to its practical applications, the fortnight can also be related to lunar cycles and agricultural planning, reflecting its historical significance in societal organization.
History & Origin
The concept of measuring time in fortnights dates back to ancient cultures that relied on lunar cycles for agricultural and civil planning. The term 'fortnight' originated from the Old English phrase 'feowertiene niht', meaning 'fourteen nights', which reflected the importance of night-time in timekeeping. Historically, societies utilized this two-week period for various purposes, such as the cycles of the moon, harvest schedules, and even in legal contexts for deadlines and payment terms. The use of the fortnight has persisted into modern times, showcasing its lasting relevance in time measurement.
Etymology: The word 'fortnight' is derived from the Old English 'feowertiene niht', which translates to 'fourteen nights'. This term emphasizes the period's focus on the completion of two weeks.
Current Use
Today, the fortnight is widely recognized in several contexts, including business, education, and planning. It is often used for payroll cycles (biweekly payments) and in academic settings to denote class schedules or term durations. In some cultures, it is also used for planning events, such as festivals or community activities, that may span two weeks. Although not part of the International System of Units (SI), the fortnight continues to be a practical measurement for organizing time in a variety of sectors.
💡 Fun Facts
- •The fortnight is often used in literature and folklore, reflecting its cultural significance in storytelling.
- •In some regions, the fortnight is a standard term for recurring events, such as paydays or market days.
- •The concept of a fortnight is prevalent in various languages, often with similar etymological roots relating to 'fourteen nights'.
📏 Real-World Examples
🔗 Related Units
Related Time Conversions
Explore more time conversions for your calculations.
Frequently Asked Questions
How do I convert to ?▼
To convert to , multiply your value by 1. For example, 10 equals 10 .
What is the formula for to conversion?▼
The formula is: = × 1. This conversion factor is based on international standards.
Is this to converter accurate?▼
Yes! MetricConv uses internationally standardized conversion factors from organizations like NIST and ISO. Our calculations support up to 15 decimal places of precision, making it suitable for scientific, engineering, and everyday calculations.
Can I convert back to ?▼
Absolutely! You can use the swap button (⇄) in the converter above to reverse the conversion direction, or visit our to converter.