since which date

USAGE SUMMARY

The phrase "since which date" is correct and usable in written English.
You can use it when you need to ask when something started happening, or when something was established. For example, "Since which date did the new policy go into effect?".

✓ Grammatically correct

Human-verified similar examples from authoritative sources

Similar Expressions

59 human-written examples

The valley has been a hidden favorite with hikers on the Lycian Way since the trail, parts of which date back thousands of years, gained popularity in the late 1990s.

The New York Times - Travel

The cases, some of which date back to the 1960s, have all emerged since the Jimmy Savile scandal in 2012.

BBC

http://URL (accessed on which date).

WikiHow

It's 2013, anywhere between five and ten years (depending which date you use) since the start of the smartphone revolution, and these people haven't begun using a smartphone yet.

The Guardian - Tech

Which date is earlier?

The Guardian

The samples, which date back 150 years, showed that the amount of moss and the rate of plant growth has significantly spiked since the 1950s.

Huffington Post

As for the Church of the Nativity, the official said, visiting it is appropriate since the basilica, which dates from 327 A.D. and is believed to be the oldest continuously operating Christian church in the world, has profound meaning for millions of Christians.

The New York Times

Since June 1 the tramway, which dates back to 1963, had been closed to permit installation of the new cars, a project costing $12 million.

The New York Times - Travel

The law, which dates from 1860, has been amended only twice since then, in 1983 and 2003.

The New York Times

Switzerland's horological tradition, which dates back to the Protestant Reformation, flourished in Switzerland since the 1500s.

The New York Times

The Grosz painting, which dates from 1926, has not been on display at the Heckscher since late last year.

The New York Times

Expert writing Tips

Best practice

When using "since which date", ensure the context clearly establishes what event or condition is being referenced from that date onward. For example, "Since which date has the policy been in effect?"

Common error

Avoid ambiguity by clearly defining the event or situation that "since which date" refers to. Without clear context, the phrase can become confusing.

Linguistic Context

The phrase "since which date" functions as an interrogative adverbial phrase. It introduces a question regarding the temporal starting point of a specific event or condition. The phrase sets the stage for seeking precise date information.

Expression frequency: Missing

Frequent in

Science

0%

News & Media

0%

Formal & Business

0%

Less common in

Science

0%

News & Media

0%

Formal & Business

0%

Ludwig's WRAP-UP

In summary, the phrase "since which date" serves as a grammatically correct way to inquire about the starting point of an event or condition. As indicated by Ludwig AI, it is a valid query construction in English. Due to its slightly formal tone, it is more appropriate for professional or news-related contexts, though the example search results are scarce to non-existent. While alternative phrasing exists to convey similar meaning—such as "from what date onward"—the core utility of "since which date" remains in its capacity to pinpoint the temporal origin of something. However, keep in mind there aren't enough real world examples of "since which date" in the provided search results.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

Starting from which date

Directly indicates the beginning of a period or event.

Beginning which date

More concise and direct.

From what date onward

Emphasizes the starting point and continuation from that point.

As of which date

Focuses on the status or condition from a particular date.

Following which date

Similar to "after what date" but slightly more formal.

After what date

Focuses on the time following a specific date.

What is the starting date

Rephrases the question to directly ask for the initial date.

Since what day

Uses "day" instead of "date", suitable for less formal contexts.

From which point in time

Broader, referring to a point in time rather than a specific date.

Since when

Short and informal, asking for the start time.

FAQs

How can I rephrase "since which date"?

You can use alternatives like "from what date onward", "starting from which date", or "after what date" depending on the context.

Is it correct to say "since which date"?

Yes, the phrase is grammatically correct and usable, although it may sound slightly formal. Ludwig AI confirms its validity.

What does "since which date" mean?

It inquires about the specific date from which an event or condition has been ongoing.

How to use "since which date" in a sentence?

For instance, you might ask, "Since which date has the new regulation been enforced?"