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Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
compared to the day
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "compared to the day" is correct and usable in written English.
It can be used when making a comparison between a specific time or event and the current day or another day. Example: "Compared to the day we first launched the product, our sales have significantly increased."
✓ Grammatically correct
Science
News & Media
Alternative expressions(19)
in relation to the day
as opposed to the day
relative to the day
compared to the election
compared to the damage
compared to the pain
compared to the character
compared to the competition
compared to the control
compared to the rest
compared to the marriage
compared to the average
compared to the pregame
compared to the nation
compared to the iPhone
compared to the offence
compared to the age
compared to the target
compared to the norm
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified examples from authoritative sources
Exact Expressions
45 human-written examples
However, the blastocyst that does reach the tube may have a higher tendency to implant there while the day 3 embryo has 2 additional days, compared to the day 5 embryo, to migrate back into the uterine cavity.
Science
At 3 days after IPPIGT, low levels of GFP expression were observed (Fig. 2C-i, ii), but a rapid decline in fluorescence was noted 7 and 14 days after IPPIGT compared to the day 1 measurements (Fig. 2C-iii vi).
Science
The primary outcome measure was the recovery in Hb at days 30 and 90 compared to the day 3 Hb levels.
Science
The Wilcoxon pair test was used to examine whether the normal-weight and overweight/obese boys and girls met the current recommendations for MVPA duration on the school days with active participation in a PEL compared to the day without a PEL.
Treatment was with either 5 or 20 ng/mL TGFβ1 upregulated cell proliferation on days 3 and 6 (up to 160% compared to the day 3 control).
Compared to the day's battery most smartphones provide, over 34 hours is good, but it's a far cry from the up to two-days battery Sony is claiming.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
14 human-written examples
PPCP removals were found to be substantially higher for AS- and Sd-derived inocula compared to the SAT-derived inocula despite comparable biomass.
Science
"It's different in the sense that their preparation compared to the day-to-day activity in the courtroom is far greater than is ordinarily the case," Judge Levine said after the Hebrew academy team had won the verdict both for the trial and for their performance over the all-girls team from Stella K. Abraham High School for Girls in Hewlett Bay Park.
News & Media
But as she recalled discussions at a Mother's Center group she attended at the South Huntington Public Library, it came to her. "We would talk about the ideals of motherhood, and how they compared to the day-to-day reality that mothers often get bogged down in," she said.
News & Media
A full house is expected; the attraction is obvious compared to the Sunday service.
News & Media
BBC1's ratings were down by 50% or more for most of the 8pm-10pm period compared to the Saturday night average over the past three months.
News & Media
Expert writing Tips
Best practice
In scientific writing, ensure that any statistical comparisons "compared to the day" of baseline measurement are clearly stated in the methodology section.
Common error
Avoid using "compared to the day" without specifying a clear baseline or point of reference. Always clarify what parameter or aspect you are comparing to avoid vague statements.
Source & Trust
83%
Authority and reliability
4.1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "compared to the day" functions primarily as a prepositional phrase used to introduce a comparison. It serves to provide a reference point for assessing differences or similarities, as demonstrated by Ludwig's examples.
Frequent in
Science
56%
News & Media
33%
Wiki
4%
Less common in
Formal & Business
3%
Encyclopedias
0%
Reference
0%
Ludwig's WRAP-UP
In summary, "compared to the day" serves as a versatile prepositional phrase that facilitates temporal comparisons across diverse contexts. As demonstrated by Ludwig, it's commonly found in scientific and news media, highlighting changes or differences relative to a specific day. The phrase is grammatically correct, according to Ludwig, and widely accepted, making it a reliable choice for various writing purposes. To ensure clarity, always specify what aspect is being compared when using this phrase. Alternatives like "in comparison with the day" or "relative to the day" offer stylistic variations while maintaining the core meaning.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
in comparison with the day
Replaces "compared to" with "in comparison with", maintaining the comparative meaning.
relative to the day
Substitutes "compared to" with "relative to", offering a slightly more formal tone.
when contrasted with the day
Uses "when contrasted with" to emphasize the comparison being made.
versus that day
Employs "versus" to directly contrast the subject with a specific day.
as opposed to the day
Uses "as opposed to" to highlight a difference or opposition with the day.
in relation to the day
Replaces "compared to" with "in relation to", focusing on the connection or relationship.
assessed against the day
Uses "assessed against" to indicate an evaluation or measurement relative to the day.
by comparison with the day
Substitutes "compared to" with "by comparison with", slightly altering the sentence structure.
in contrast to the day
Uses "in contrast to" to clearly indicate a difference with the specified day.
next to the day
Replaces "compared to" with "next to", for describing the sequence.
FAQs
How can I use "compared to the day" in a sentence?
Use "compared to the day" to contrast a current condition or measurement with a previous one on a specific day. For instance, "The patient's temperature is lower today "compared to the day" of admission".
What's a more formal alternative to "compared to the day"?
A more formal alternative is "in relation to the day". For example, "The observed changes were significant "in relation to the day" the experiment began".
Is there a difference between "compared to the day" and "compared with the day"?
Both phrases are generally interchangeable. However, "compared to the day" is more commonly used. For example, "Website traffic increased "compared to the day" of the announcement" is equally valid as "Website traffic increased "compared with the day" of the announcement".
When is it appropriate to use "as opposed to the day" instead of "compared to the day"?
"As opposed to the day" is used when highlighting a distinct contrast or opposition. For example, "The team's performance was subpar today "as opposed to the day" they secured the championship".
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Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
83%
Authority and reliability
4.1/5
Expert rating
Real-world application tested