first day of week

USAGE SUMMARY

The phrase "first day of week" is correct and usable in written English.
It can be used when referring to the initial day in a weekly cycle, often in contexts related to scheduling or calendars. Example: "In many cultures, Sunday is considered the first day of the week."

✓ Grammatically correct

Science

News & Media

Encyclopedias

Human-verified examples from authoritative sources

Exact Expressions

9 human-written examples

In the first experiment mammary glands were labeled by administration of 5-bromodeoxyuridine (5BrdU; 1 mg) by intraperitoneal injection for 14 days starting on the first day of week 4 of postnatal life.

Breast Cancer Research

It is worth noticing that this attack is potentially feasible only when the proxy is aware of the verification process details and data accesses have specific patterns (e.g., each first day of week location verification process is run).

Journal of Cloud Computing

Rats were sacrificed on the first day of Week 8.

BioMed Research International

* First day of week for each model generated and randomly generated signal.

BMC Medical Informatics and Decision Making

For logistical reasons, although the season was identified as starting on December 16th , 2007 the start of the surveillance was postponed to December 30th (the first day of week 1 of 2008).

European Journal of Clinical Microbiology and Infectious Diseases

Hair samples (a mixture of guard hairs and undercoat) were collected using an electronic hair clipper from each dog in the study three times: two weeks prior to being fed fish, the first day of week 0 and on the last day of the exposure (week 12).

Acta Veterinaria Scandinavica

Human-verified similar examples from authoritative sources

Similar Expressions

51 human-written examples

The hands are huge and brightly lumed and it is running an ISA 8173 quartz movement with alarm, small seconds, day of week, and second time zone.

TechCrunch

To avoid effects related to scheduling and accumulation, everolimus and paclitaxel were administered together on the first day of each week, and in week 4 of each cycle treatment, it was omitted to allow recovery of cells from mTOR inhibition.

British Journal of Cancer

Monday and Saturday that are first day of working week and last day of working week have more two-wheeler accidents in comparison to other week days.

Journal of Modern Transportation

The mice received training on rotarod for 10 min each day for 3 days before being tested on the first day of 11 week of age before dosing of AMD3100 started (Day 1).

eLife

For a time the Romans used a period of eight days in civil practice, but in ad 321 Emperor Constantine established the seven-day week in the Roman calendar and designated Sunday as the first day of the week.

Encyclopedia Britannica

Expert writing Tips

Best practice

When using the phrase "first day of week", clarify which day is considered the first (Sunday or Monday) as interpretations vary across cultures and contexts.

Common error

Avoid assuming that everyone considers the same day to be the "first day of week". Specify if you mean Sunday or Monday to prevent confusion, especially in international or diverse settings.

Linguistic Context

The phrase "first day of week" primarily functions as a noun phrase that identifies a specific point in time. As confirmed by Ludwig, the phrase is correct and commonly used.

Expression frequency: Common

Frequent in

Science

40%

News & Media

30%

Encyclopedias

15%

Less common in

Formal & Business

5%

Social Media

5%

Reference

5%

Ludwig's WRAP-UP

The phrase "first day of week" is a grammatically sound and frequently used expression to denote the beginning of a weekly cycle. As Ludwig AI confirms, this phrase is correct and applicable in various contexts. However, it's crucial to note the potential for ambiguity due to differing cultural conventions regarding which day is considered the first, with Sunday and Monday being the primary contenders. To avoid confusion, clarity is paramount; specify the day or use alternative phrases like "start of the week" or "beginning of the week" when precision isn't essential. With a neutral register, this phrase fits seamlessly into scientific, news, and general discourse, as shown by examples from reputable sources like Encyclopedia Britannica and The New York Times.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

start of the week

Emphasizes the beginning nature of the week rather than a specific day.

beginning of the week

Similar to "start of the week", focusing on the initial phase of the weekly period.

week's initial day

A more formal way of saying "first day of week", stressing the order.

opening day of the week

Implies that the week is starting or commencing.

week's first weekday

Specifically refers to the first working day, potentially excluding weekends.

initial day of the working week

Highlights the beginning of the work week.

the day that commences the week

A longer and more descriptive way of indicating the start of the week.

the week's starting point

Emphasizes a temporal reference more than a day itself.

the week's dawn

Metaphorical expression that indicates the beginning or starting point of the week.

week one

Used in contexts where weeks are numbered, indicating the start of a sequence.

FAQs

Which day is considered the "first day of week"?

The "first day of week" can be either Sunday or Monday, depending on cultural and regional conventions. In many Western countries, Sunday is often considered the first day, while in others, especially those following the ISO 8601 standard, Monday is the first day. Always clarify when the specific day matters.

How can I avoid ambiguity when referring to the "first day of week"?

To avoid ambiguity, specify the day you are referring to (e.g., "Monday, the first day of the working week"). You can also use phrases like "start of the week" or be explicit about the date.

What are some alternatives to "first day of week"?

You can use alternatives like "start of the week", "beginning of the week", or "week's initial day" depending on the context. These alternatives are especially useful when you want to avoid specifying a particular day.

Is it correct to use "first day of the week" in formal writing?

Yes, "first day of week" is perfectly acceptable in formal writing. It is a clear and concise way to refer to the beginning of a week. However, as mentioned earlier, ensure you clarify which day you are referring to if there's a potential for confusion.