every now and then (now and then)

Every now and then and now and then both mean "occasionally," but they differ in tone and implied recurrence. Use every now and then when you picture the action repeating with a faint pattern; use now and then when the action feels more random or rare. For formal writing, prefer occasionally or from time to time.

Quick answer

Every now and then: suggests a mild, irregular recurrence. Now and then: suggests a sparser, more random event. Both can work in casual speech; in formal prose, choose occasionally or from time to time.

every now and then = occasional recurrence (a faint habit)
now and then = occasional, random or infrequent
Formal substitute: occasionally / from time to time

Core explanation: the practical difference

Both expressions translate to 'occasionally.' The practical distinction is about mental rhythm: if you picture returning to the action at intervals, pick every now and then. If the action feels like a rare, unpredictable occurrence, pick now and then. When unsure, occasionally is a safe, formal choice.

Recurring? every now and then.
Random/sparse? now and then.
Formal contexts → occasionally / from time to time.

Recurring: Every now and then I review my budget (periodic habit).
Sporadic: Now and then a friend texts to say hello (not regular).
Interchangeable: I visit museums now and then / every now and then - both natural.

Grammar, form and quick orthographic checks

Write the idiom as three words: every now and then. Capitalize only at sentence start or in a title. Avoid underscores, concatenation, or hyphenating the whole phrase.

Correct: every now and then
Wrong: every_now_and_then, every-now-and-then, everynowandthen
Better formal: occasionally / from time to time

Wrong: I go to the gym every_now_and_then.
Right: I go to the gym every now and then.
Wrong: We meet every-now-and-then to discuss updates.
Right: We meet every now and then to discuss updates.

Hyphenation, spacing and capitalization pitfalls

Don't hyphenate the whole phrase. Rarely you might see hyphenation when it forms a compound modifier before a noun, but rephrasing is usually cleaner (for example, "an occasional check"). Keep three separate words and normal capitalization.

Avoid: every-now-and-then, every_now_and_then, EveryNowAndThen
Allowed (rare): "an every-now-and-then check" → better: "an occasional check"
Capitalize only where appropriate: "Every now and then we update the docs."

Wrong: every-now-and-then he pops into the channel.
Right: Every now and then he pops into the channel.
Wrong: Backup_every_now_and_then.zip
Right: Back up files every now and then.

Real usage and tone: work, school, and casual registers

Both idioms sit in the informal-to-neutral range. For reports or academic prose, swap in occasionally or from time to time. In conversation, every now and then often sounds warmer; now and then feels slightly more detached.

Work (formal) → occasionally / from time to time
Work (casual) → every now and then
School (essay) → occasionally; (group chat) → every now and then / now and then

Work - Formal: Occasionally the model requires manual recalibration.
Work - Casual: Every now and then I'll push a minor patch between releases.
Work - Neutral: Now and then we pause the deployment to check logs.
School - Essay: Now and then critics point to exceptions in this theory.
School - Group: Every now and then we meet to go over the project.
Casual - Text: Now and then I binge that comfort show.
Casual - Conversation: Every now and then I treat myself to a night out.

Try your own sentence

Read the whole sentence, not just the phrase. Context usually makes the correct choice obvious: test whether the action recurs or is random, and whether the tone should be formal.

Fix your sentence: diagnostics and ready rewrites

Decision flow: (A) Does the action recur with some regularity? Yes → every now and then. No → now and then. (B) Is the tone formal? Yes → occasionally or from time to time.

Also fix formatting errors: replace underscores or hyphenation with proper spacing or choose a single-word alternative.

Recurring + conversational → every now and then
Sporadic/infrequent → now and then
Formal writing → occasionally / from time to time

Rewrite_work_1: Original: "We email clients every now and then." →
Formal: "We email clients from time to time."
Rewrite_work_2: Original: "Now and then I take a day off." → Habit emphasis: "Every now and then I take a day off to recharge."
Rewrite_school_1: Original: "I consult sources now and then." → Essay: "I consult supplementary sources occasionally."
Rewrite_school_2: Original: "We discuss topics every-now-and-then." → Corrected: "We discuss topics every now and then."
Rewrite_casual_1: Original: "She calls now and then." → Natural: "She calls every now and then to catch up."
Rewrite_casual_2: Original: "I go hiking now and then." → More precise: "I go hiking every now and then when the weather's good."
Rewrite_spacing: Original: "every_now_and_then the system refreshes." →
Fixed: "Every now and then the system refreshes."

Examples you can copy: grouped wrong/right bank

Paired examples below show a common slip (left) and a corrected, natural sentence (right). Copy the right-hand sentence or adapt it to your context.

Work - Wrong: "We schedule code reviews every_now_and_then, which confuses the team." -
Right: "We schedule code reviews every now and then; a regular cadence would help."
Work - Wrong: "I will send updates now and then." -
Right: "I will send updates from time to time."
School - Wrong: "I hand in homework now and then, when I remember." -
Right: "I hand in homework now and then, but I should set a schedule."
School - Wrong: "Every-now-and-then students skip lab sessions." -
Right: "Every now and then students skip lab sessions."
Casual - Wrong: "I binge-watch every-now-and-then." -
Right: "Every now and then I binge-watch a show."
Casual - Wrong: "Now-and-then he sends memes." -
Right: "Now and then he sends memes."
Work - Template: "From time to time we'll update stakeholders on progress."
School - Template: "Occasionally I review older lectures to clarify concepts."
Casual - Template: "Every now and then I share travel photos."

Memory trick and quick tests

Mnemonic: think "echo" for every (it echoes back, repeats) and "nod" for now (a quick nod, occasional). Quick tests:

Echo test: Can you picture repeating it at intervals? If yes → every now and then.
Nod test: Does it feel like a brief, unpredictable occurrence? If yes → now and then.
Formality fallback: Use occasionally or from time to time for formal writing.

Echo: "I update the dashboard every now and then" - recurring.
Nod: "Now and then I get random messages from old colleagues" - rare, unpredictable.

Similar mistakes and quick fixes

Common confusions include every now and then, every once in a while, from time to time, occasionally, and the typo everytime vs. every time. Match your choice to both recurrence and formality.

every once in a while ≈ every now and then (informal)
from time to time ≈ occasionally (good formal choice)
everytime (wrong) → every time (correct)

Wrong: I forget things everytime I'm tired.
Right: I forget things every time I'm tired.
Interchange: "Every once in a while she paints" ≈ "Every now and then she paints."

FAQ

Can I use every now and then and now and then interchangeably?

Often yes in casual speech. Prefer every now and then for faintly regular habits and now and then for rarer, random events. In formal writing, use occasionally.

Is every now and then acceptable in formal writing?

It's conversational. In neutral contexts it's fine, but choose occasionally or from time to time for academic or formal prose.

Why do I sometimes see every-now-and-then with hyphens?

Writers sometimes hyphenate to create a compound modifier. Rephrasing is usually clearer - for example, "an occasional check" - or keep the three-word phrase intact.

Which phrase is more common in American vs. British English?

Both phrases are common in both dialects. The choice is stylistic and context-driven rather than regional.

How can I quickly test which phrase fits my sentence?

Run the echo test: imagine the action recurring. If it repeats → every now and then. If you need a neutral or formal tone, replace with occasionally or from time to time and see which reads best.

Still unsure? Copy a sentence and try these swaps

Try these replacements in your sentence: every now and then → occasionally / from time to time; now and then → occasionally. Fix any hyphens or underscores to the three-word form. If the tone matters, prefer the formal substitutes.

Use a quick editor or grammar tool to spot spacing or hyphenation issues and to test the sentence in context.