ended on vs ended as of

Both "ended on" and "ended as of" are correct phrases, but they are used in slightly different contexts. "Ended on" is used to specify the exact date or time when something concluded, while "ended as of" is used to indicate the effective end date of something, which may be ongoing or in the past.

Last updated: March 30, 2024 • 3013 views

This phrase is correct and commonly used in English to specify the exact date or time when something concluded.

"ended on"

Use "ended on" when you want to specify the precise date or time when an event, activity, or period concluded.

Examples:

The project ended on December 31st.
The concert ended on time.
The meeting ended on a positive note.
The show ended on a cliffhanger.
The game ended on a controversial call.

Show examples from the web [+]

Its mandate ended on 31 December 2008.
The Committee's previous term of office ended on 31 December 2006.
The tasks performed by RIVM were assigned to RIKILT under a framework contract which ended on 31 December 2011.
The call for grant proposals ended on 20 June 2005.
The registration of the person(s) indicated in Part A ended on...
His term of office began on 1 January 2000 and ended on 31 March 2000.
Accordingly, the ten-year period ended on 1 January 1996.
The notice period of three months laid down by that contract ended on 1 May 2006.
Whereas that experiment ended on 30 June 1994;
This deadline ended on 23 May 2002, the date on which the Commission received comments from the parties concerned.
This nightmare ended on 19 November 2007 when Miguel Ángel and Edén were sentenced to a fine of EUR 4000 each.
Recalls that the mandate of the Agency ended on 31 December 2008;
Since the transitional period for which Decision 2008/961/EC granted equivalence to Indian GAAP ended on 31 December 2014, for the sake of legal certainty, this Decision should apply from 1 January 2015.
The delay for the submission of proposals ended on 15 October 2003 and it is to be expected that the bid to be retained will be announced in the near future.
The Commission then launched a public consultation in order to identify the other services of social interest that could use the 116 number, a process which ended on 20 May 2007.
and his term of office ended on 19 July 2004,
The pre-registration period stipulated in the REACH Regulation began on 1 June 2008 and ended on 1 December 2008, in other words six months later.
This suspension ended on 18 July 2008.
World Water Week ended on Monday.
Last night ended on an unfortunate note.

Alternatives:

concluded on
finished on
closed on
wrapped up on
came to an end on

This phrase is correct and is used to indicate the effective end date of something, which may be ongoing or in the past.

"ended as of"

Use "ended as of" when you want to specify the effective end date of something, such as a contract, policy, or agreement.

Examples:

The lease ended as of last month.
The subscription ended as of December 31st.
The employment contract ended as of yesterday.
The policy ended as of the end of the fiscal year.
The agreement ended as of the signing of the new contract.

Show examples from the web [+]

The longstanding monopoly of BSkyB concerning the broadcasting of live Premier League matches has ended as a result of this auction.
That ended as a result of the efforts of the European Commission, amongst others.
Okay, so as far as I can tell, the message and that satchel ended up as part of Colonel Prescott's estate.
In that year, they became employees of the Post Office public corporation, which ended their status as members of the civil service.
And I like to write bass lines, so they both ended up kind of as bass lines.
We all agree that this started as a crisis of liquidity which then became a crisis of solvency and which has ended up as a crisis of confidence, resulting in a lack of credit which has now damaged the real economy.
A. whereas the Gaddafi dictatorship has ended, as a result of the 17 February Revolution - a spontaneous and courageous rebellion by the Libyan people, which lasted 6 months and included an armed liberation of Libyans from Benghazi to Tripoli;
Pod dreams that his dead grandmother... after coming back as a gecko... was reborn again and again In her last life, she was a pig... and she ended up as a plate of pork fried rice... that Jin ate six months ago
So, my interest in football ended as suddenly and the climax of West Side Story.
It ended as inexplicably as it began.
Began as a schoolhouse and ended as a temple.
Once again a major international gathering ended as it began, without taking significant steps forward.
The Hurtigruten Agreement ended as foreseen on 31 December 2004.
Since 16 I fought this war that has now been ended as too terrible.
Though several arrests were made in connection with the brutal slayings, which ended as suddenly as they began, the killer's identity was never confirmed.
Your little girl's quest has ended as your royal line ends today, in darkness.
Well, I'm glad to hear things ended as passionately as they started.
As Galileo flew through it... [static thundering] The sound ended as abruptly as it started.
Our involvement in this ended as soon as we learned she was behind the blog.
A further - and major - concern is that the new regulations are open-ended as regards timing.

Alternatives:

ended on
concluded as of
terminated as of
ceased as of
expired as of

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ended on vs ended as of

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