Mastering ้ ƒ (koro / goro): Talking About Approximate Times in Japanese (JLPT N4)

Japanese Grammar Template
Meaning & Usage

โœจ Basic Meaning

Approximately; around; about (time or period)

๐ŸŽฏ Primary Function

To indicate an approximate point in time or a general period during which something happens or happened.

๐Ÿ“‹ Grammar Structure

Structure 1: Noun + ใฎ + ้ ƒ๏ผˆใ“ใ‚๏ผ‰ Structure 2: Verb (ใŸๅฝข – past tense) + ้ ƒ๏ผˆใ“ใ‚๏ผ‰ Structure 3: Specific Time (Number + ๆ™‚, ๆ›œๆ—ฅ, etc.) + ้ ƒ๏ผˆใ”ใ‚๏ผ‰ Structure 4: Certain Nouns (e.g., ๆœ, ๆ˜ผ, ๆ™ฉ, ้€ฑๆœซ, ๆ˜ฅไผ‘ใฟ, ๅคไผ‘ใฟ, ๅ†ฌไผ‘ใฟ, ๆ˜ผใ”้ฃฏ) + ้ ƒ๏ผˆใ”ใ‚ or ใ“ใ‚, often ใ”ใ‚ is more common, but ใ“ใ‚ is also possible depending on nuance/context.) Key distinction: ใ”ใ‚ is generally used with *specific numerical times*, while ้ ƒ is used with *periods, events, or verb forms*. Some nouns can take either, but ใ”ใ‚ is often preferred for those functioning like specific time slots (like ๆ˜ผใ”้ฃฏ้ ƒ).

๐ŸŽญ Usage Contexts

๐Ÿข Formal Situations

Can be used, but more precise expressions might be preferred in very formal writing or speech.

๐Ÿ˜Š Informal Situations

Very commonly used in everyday conversation.

โœ๏ธ Written Language

Frequently used in informal writing (e.g., emails, social media). Less common in very formal documents.

๐Ÿ—ฃ๏ธ Spoken Language

Extremely common and natural.

๐Ÿ’ก Common Applications

Referring to an approximate clock time
Used after a specific time (e.g., ๏ผ“ๆ™‚, ๆ˜ผใ”้ฃฏ) to mean “around [that time]”. Note: ใ”ใ‚ is used for specific numerical times.
Example: ๏ผ“ๆ™‚้ ƒ๏ผˆใ”ใ‚๏ผ‰ใซๆฅใฆใใ ใ•ใ„ใ€‚ (San-ji goro ni kite kudasai.) – Please come around 3 o’clock.
Referring to an approximate period or event
Used after a noun representing a period or event (e.g., ๅญไพ›ใฎๆ™‚, ๅคไผ‘ใฟ) to mean “around the time of [that period/event]”. ้ ƒ is typically used here.
Example: ๅญไพ›ใฎ้ ƒ๏ผˆใ“ใ‚๏ผ‰ใฏใ€ใ‚ˆใๅค–ใง้Šใณใพใ—ใŸใ€‚(Kodomo no koro wa, yoku soto de asobimashita.) – When I was a child, I often played outside.
Referring to an approximate past action
Used after the past tense of a verb (ใŸๅฝข) to mean “around the time when [verb] happened”. ้ ƒ is used here.
Example: ๆ—ฅๆœฌใธๆฅใŸ้ ƒ๏ผˆใ“ใ‚๏ผ‰ใ€ๆ—ฅๆœฌ่ชžใŒๅ…จ็„ถๅˆ†ใ‹ใ‚Šใพใ›ใ‚“ใงใ—ใŸใ€‚(Nihon e kita koro, Nihongo ga zenzen wakarimasen deshita.) – Around the time I came to Japan, I didn’t understand Japanese at all.
๐Ÿ“Š
Frequency
Very High
๐ŸŽš๏ธ
Difficulty
Low to Medium (Understanding the ใ“ใ‚ vs ใ”ใ‚ distinction is key).
Example Sentences
ๆฏŽๆœ๏ผ—ๆ™‚้ ƒใซ่ตทใใพใ™ใ€‚
I wake up around 7 o’clock every morning.
้ซ˜ๆ ก็”Ÿใฎ้ ƒใ€ใ‚ˆใๅ‹้”ใจๆ˜ ็”ปใ‚’่ฆ‹ใซ่กŒใใพใ—ใŸใ€‚
When I was a high school student, I often went to see movies with friends.
้›ป่ปŠใซไน—ใฃใŸ้ ƒใ€้›จใŒ้™ใ‚Šๅง‹ใ‚ใพใ—ใŸใ€‚
Around the time I got on the train, it started raining.
Notes & Nuances

๐Ÿ“Œ Important Points

ใ“ใ‚ vs ใ”ใ‚
ใ”ใ‚ is typically used with specific numerical times (e.g., ๏ผ“ๆ™‚ใ”ใ‚, ๏ผ—ๆ™‚ๅŠใ”ใ‚, ๏ผ“ๆ—ฅใ”ใ‚, ๏ผ”ๆœˆใ”ใ‚). ้ ƒ (ใ“ใ‚) is used with nouns indicating periods or events (e.g., ๅญไพ›ใฎ้ ƒ, ๅคไผ‘ใฟใฎ้ ƒ) and with verb past tense forms (e.g., ๆ—ฅๆœฌใธๆฅใŸ้ ƒ).
Example: ๏ผ•ๆ™‚ใ”ใ‚๏ผˆใ”ใ‚๏ผ‰ใซไผš่ญฐใŒ็ต‚ใ‚ใ‚Šใพใ™ใ€‚(Go-ji goro ni kaigi ga owarimasu.) – The meeting finishes around 5 o’clock. ๅญฆ็”Ÿใฎ้ ƒ๏ผˆใ“ใ‚๏ผ‰ใ€ไธ€็”Ÿๆ‡ธๅ‘ฝๅ‹‰ๅผทใ—ใพใ—ใŸใ€‚(Gakusei no koro, isshoukenmei benkyou shimashita.) – When I was a student, I studied very hard.
Approximate, not exact
้ ƒ indicates an *approximate* time or period. It is not used for exact times.
Example: Wrong: ๏ผ“ๆ™‚๏ผ•ๅˆ†้ ƒใซ้ง…ใซ็€ใใพใ—ใŸใ€‚(San-ji go-fun goro ni eki ni tsukimashita.) – This sounds unnatural. Use ๏ผ“ๆ™‚๏ผ•ๅˆ† about an exact time.

โš ๏ธ Common Mistakes

โŒ Using ใ”ใ‚ with periods/events or verb forms
โœ… Use ้ ƒ๏ผˆใ“ใ‚๏ผ‰ instead.
ใ”ใ‚ is for specific numerical times. ้ ƒ๏ผˆใ“ใ‚๏ผ‰ is for broader periods, events, or verb forms.
โŒ Using ้ ƒ for very precise times
โœ… Do not use ้ ƒ for exact minutes or specific small increments.
้ ƒ indicates a general approximation, not precision.

๐Ÿ›๏ธ Cultural Context

Politeness Level: Neutral/Common
Social Situations: Suitable for most everyday social situations.
Regional Variations: Generally consistent across regions, but slight preferences for ใ“ใ‚ or ใ”ใ‚ with certain nouns might exist.

๐Ÿ” Subtle Differences

้ ƒ vs ใใ‚‰ใ„/ใใ‚‰ใ„
้ ƒ specifically refers to *time* (a point in time or a period). ใใ‚‰ใ„/ใใ‚‰ใ„ can refer to approximate time, but also approximate quantity, distance, degree, etc.
When to use: Use ้ ƒ when talking about approximate time or a period. Use ใใ‚‰ใ„/ใใ‚‰ใ„ for approximate time as well, but also for other types of approximations.
้ ƒ vs ๆ™‚ (ใจใ)
ๆ™‚ refers to a specific point in time or duration *when* something happens (can be exact or general). ้ ƒ refers to the *approximate time or period* around which something happens.
When to use: Use ๆ™‚ when you want to state *when* something occurs. Use ้ ƒ to emphasize that the time or period is approximate or a general timeframe.
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When to use: undefined

๐Ÿ“ Conjugation Notes

Attaches directly after Nouns (often with ใฎ, but not always), Verb past tense (ใŸๅฝข), or specific time expressions.

๐Ÿ”Š Pronunciation Tips

้ ƒ is pronounced ใ“ใ‚ (koro) or ใ”ใ‚ (goro). Remember ใ”ใ‚ is generally used after numerical times or specific time-like nouns (like ๆœ, ๆ˜ผ), while ใ“ใ‚ is used after nouns indicating periods/events and verb forms.

๐Ÿง  Memory Tips

Think of ้ ƒ like “around” or “about” a time or period. Remember ใ”ใ‚ for “numerical go-ro”. ใ“ใ‚ for “period/event koro”.

Practice Exercises
Select the correct particle: ๆ˜ผใ”้ฃฏ๏ผฟ๏ผฟ๏ผฟใซใ€ๅ‹้”ใจไผšใ„ใพใ—ใŸใ€‚
ใŒ
ใ‚’
้ ƒ
ใธ
Select the correct reading: ๏ผ™ๆ™‚๏ผฟ๏ผฟ๏ผฟใซๅฏใพใ™ใ€‚
ใ“ใ‚
ใ”ใ‚
ใจใ
ใ ใ‘
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