date of observation

USAGE SUMMARY

"date of observation" is correct and can be used in written English.
It is typically used when referring to a specific event that has been observed or studied. For example: "The date of observation for this experiment was October 14th, 2020."

✓ Grammatically correct

Science

Human-verified examples from authoritative sources

Exact Expressions

29 human-written examples

No effects were observed from relative humidity, date of observation or sex (table 1).

Bulletin of Entomological Research

We also calculated the moon phase to determine the sky conditions for each date of observation.

Earth, Planets and Space

Points with different letters at the last date of observation are statistically different.

Chemical and Biological Technologies in Agriculture

The exact date of observation is displayed on the x-axis using a naming convention of 091201, where 09 means 2009, 12 means December, and 01 means first day of the month.

Journal of Modern Transportation

Where a is the angular direction (in degrees), x is the conversion of the date of observation from months to days, and k is the number of days in the year (k = 365, or 366 in a leap year).

Ecological Processes

Number of days from emergence to date of observation was used to estimate age of first foraging.

Plosone

Human-verified similar examples from authoritative sources

Similar Expressions

31 human-written examples

In censored cases, the cut-off date was the end date of observations.

Amyotrophic Lateral Sclerosis and Frontotemporal Degeneration

Data were smoothed using a local polynomial regression of degree 2 [ 55], with the different dates of observation as predictors, to estimate stages that had not been observed in the field because of the speed of the phenological process (R 2 ranging from 0.964 to 0.999).

BMC Plant Biology

Circular statistical analyses were conducted using the phenological variables and dates of observation.

Ecological Processes

SLA remained stable during winter, differed significantly among the dates of observation, and declined from seedlings to maturation in all the cultivars tested.

Field Crops Research

In this paper we analyzed the phenological pattern in relation to rainfall, temperature, and circular statistics using the various phenophases and dates of observation to address:1) phenology of various tree species; 2) analysis of factors controlling phenology; and 3) seasonality of various phenophases.

Ecological Processes

Expert writing Tips

Best practice

When using "date of observation" in research papers, clearly state the units of time measurement (e.g., year, month, day) to avoid ambiguity.

Common error

Avoid using "date of observation" when you actually mean the date the data was entered into a system. The observation date refers to when the event or measurement physically occurred.

Linguistic Context

The phrase "date of observation" functions as a noun phrase that specifies a particular point in time when an observation was made. As Ludwig AI indicates, it is grammatically correct and commonly found in scientific contexts. It typically modifies other nouns in a sentence to provide temporal context.

Expression frequency: Common

Frequent in

Science

100%

Less common in

News & Media

0%

Formal & Business

0%

Wiki

0%

Ludwig's WRAP-UP

The phrase "date of observation" is a grammatically sound and frequently employed noun phrase, predominantly used in scientific and academic writing to denote the specific time an observation occurred. Ludwig AI confirms its correctness and suitability for formal contexts. Its purpose is to provide temporal precision, and while alternatives exist, "date of observation" remains a standard choice in research and data-driven reporting. While primarily found in scientific contexts, ensuring correct usage and avoiding confusion with related terms like data entry dates is crucial for clarity.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

observation date

Reverses the order of the words for a slightly more concise phrasing.

time of observation

Focuses on the specific time rather than just the date.

data collection date

Emphasizes the collection of data as the main activity.

day of recording

Emphasizes the act of recording data during the observation.

period of study

Refers to a longer timeframe during which observations take place.

point of measurement

Highlights the moment when data is collected.

moment of inspection

Implies a more detailed and focused observation.

day of the assessment

Replaces "observation" with "assessment", emphasizing evaluation.

study timeline

Refers to the schedule of when the observation took place during a research study.

when the data was gathered

Focuses on the action of gathering data rather than the date itself.

FAQs

How do I use "date of observation" in a sentence?

Use "date of observation" to specify when something was observed or recorded. For example, "The "date of observation" was crucial for determining the trend."

What can I say instead of "date of observation"?

Alternatives include "observation date", "time of observation", or "day of recording", depending on the context.

What's the difference between "date of observation" and "date of data entry"?

"Date of observation" refers to when the actual observation took place. "Date of data entry" refers to when the observed data was entered into a database or system. They may not always be the same.

Is "date of observation" formal or informal?

"Date of observation" is suitable for formal and technical writing, particularly in scientific and academic contexts.