一昨年

The Japanese word 一昨年 (read as either ototoshi or issakunen) is a temporal noun that translates precisely to "the year before last" in English. In the intricate web of Japanese time-relative vocabulary, it sits two steps behind the current year. Understanding this word requires a grasp of how Japanese speakers conceptualize the flow of time, moving from the present moment (koto-shi/this year) back through the immediate past (kyo-nen/last year) to this specific marker. Unlike English, where we often say "two years ago," Japanese frequently employs this single-word designation to provide a clear, concise temporal anchor in both casual and professional discourse. The word is composed of three kanji: 一 (one), 昨 (previous/yesterday), and 年 (year), literally suggesting "one previous year" beyond the last one. It is a fundamental building block for anyone reaching the A2 level of the CEFR, as it allows for the narration of personal history, the description of past events, and the setting of context for long-term projects or life changes.

Common Reading

Ototoshi (おととし) - This is the most frequent reading used in daily life and casual conversation.

The dual nature of its reading is a key feature of Japanese linguistic register. While ototoshi is the standard for friends and family, issakunen is the preferred choice in formal settings, business reports, and news broadcasts. This distinction is vital for learners who wish to sound natural. Using issakunen at a dinner party might sound overly stiff, while using ototoshi in a formal presentation to a CEO might seem slightly too colloquial. The word functions as a time-setting adverbial noun, meaning it can often appear at the beginning of a sentence to establish the timeframe without needing complex particle structures, though the particle 'ni' is frequently used to pinpoint the specific time an action occurred.

Culturally, the Japanese focus on specific years is often tied to school years (gakki) or fiscal years (nendo), which start in April. When someone says 一昨年, they are usually referring to the calendar year, but in a business or academic context, the listener might subconsciously align it with the fiscal cycle. This word is also essential when discussing the "Yakudoshi" (unlucky years) or when calculating age in the traditional "Kazoedoshi" system, although the modern system is now standard. It provides a bridge to the past that is more specific than a general "formerly" (izen) but less distant than "long ago" (mukashi).

Formal Reading

Issakunen (いっさくねん) - Used in news, business, and formal writing to sound professional.

In the context of Japanese history and the era system (Gengo), 一昨年 serves as a relative marker that shifts every January 1st. For instance, if the current year is Reiwa 6, 一昨年 refers to Reiwa 4. This relative nature is why the word is so useful; it doesn't require the speaker to remember the specific number of the year, just its distance from the present. It is part of a sequence: Saki-ototoshi (3 years ago) -> Ototoshi (2 years ago) -> Kyonen (1 year ago) -> Kotoshi (this year). Mastering this sequence is a hallmark of basic fluency.

Kanji Breakdown

一 (One) + 昨 (Previous) + 年 (Year) = The first year before the previous year.

Using 一昨年 correctly involves understanding its grammatical role as a temporal noun and an adverbial marker. In most sentences, it occupies the position of a time setting, usually appearing early in the sentence to provide context for the verb that follows. Because it refers to a completed period in the past, it is almost exclusively used with verbs in the past tense or the continuous state (~te iru) when describing an action that began then and continues now. For example, when saying "I started studying Japanese the year before last," you would say Ototoshi kara Nihongo no benkyou o hajimemashita. Here, the particle kara (from) attaches to 一昨年 to indicate the starting point of the duration.

With Particle 'Ni'

Used to pinpoint a specific event: 一昨年に結婚しました (I got married the year before last).

One of the most common ways to use 一昨年 is as a modifier for another noun using the particle no. For instance, ototoshi no natsu means "the summer of the year before last." This is an incredibly productive pattern in Japanese, allowing you to specify seasons, months, or specific events like ototoshi no kurisumasu (Christmas of the year before last). This structure helps avoid ambiguity and allows for detailed storytelling. It is also important to note that while ototoshi can stand alone as an adverb, adding wa after it (ototoshi wa...) sets it as the topic, often implying a contrast with last year or this year. "The year before last was good, but last year was bad" would be Ototoshi wa yokatta desu ga, kyonen wa warukatta desu.

In professional writing, the reading issakunen is used to maintain a high register. In a report, you might see Issakunen-do no jigyou houkoku (The business report for the fiscal year before last). Notice the addition of -do (度), which signifies a fiscal or academic year rather than just a calendar year. This nuance is critical in Japanese corporate culture where the calendar year and the business year often diverge. Furthermore, 一昨年 can be used in the negative to exclude a timeframe: Ototoshi de wa naku, kyonen deshita (It wasn't the year before last, it was last year). This clarifies misunderstandings in conversations about past events.

With Particle 'No'

Used to modify nouns: 一昨年の写真 (Photos from the year before last).

Syntactically, 一昨年 is very stable. It doesn't change form based on the politeness of the sentence. Whether you are using -desu/-masu or the dictionary form, 一昨年 remains the same. The choice between ototoshi and issakunen is the only "transformation" it undergoes, and that is purely social/contextual. When writing, the kanji 一昨年 is almost always used, as the hiragana おととし can be slightly harder to read quickly in a block of text. For learners, practicing the stroke order of saku (昨) is worthwhile, as it appears in many other time-related words.

With Particle 'Kara'

Indicates a starting point: 一昨年からずっと (Ever since the year before last).

In the daily life of a Japanese resident, 一昨年 is a constant presence. You will hear it in casual conversations at coffee shops when friends are reminiscing about a trip they took or a concert they attended. "Remember that trip to Kyoto? Was it last year?" "No, it was ototoshi!" This kind of temporal correction is very common. Because humans tend to group memories by years, 一昨年 serves as a primary filing cabinet for events that are no longer "recent" but haven't yet faded into the vague "long ago." It is the threshold of medium-term memory.

News & Media

Newscasters use 'issakunen' when comparing current economic data to past figures or when marking the anniversary of an event.

On television, particularly in documentaries or variety shows that review past events, 一昨年 appears frequently. A show might revisit a restaurant they featured ototoshi to see how it has changed. In the business world, during end-of-year meetings or budget planning sessions, issakunen is used to show trends. A manager might say, "Our performance this year has finally surpassed issakunen's numbers." This helps create a three-year trajectory (Issakunen -> Kyonen -> Kotoshi) which is standard for most business analyses in Japan.

In social media, you'll see 一昨年 in "Time Hop" style posts or "On This Day" captions. Users post photos of themselves with the caption Ototoshi no kyou (Today, two years ago). It's a way to reflect on personal growth or nostalgia. In the Japanese education system, students and teachers use it to refer to previous curricula or older students who have already graduated. A junior might say, "That teacher was my homeroom teacher ototoshi." It provides a sense of continuity within the school's hierarchy.

Public Announcements

Train stations or government offices might use 'issakunen' in notices regarding long-term construction or policy changes.

Even in pop culture, lyrics in J-Pop songs often use ototoshi to evoke a specific sense of lost time or the beginning of a relationship. "We met ototoshi in the rain..." sounds more grounded and relatable than a vague "two years ago." In literature, authors use the more formal issakunen in narration to establish a serious tone, while characters in dialogue will almost always use ototoshi. This subtle shift in reading allows authors to control the "distance" between the reader and the story.

Academic Context

Professors may refer to 'issakunen no ronbun' (papers from the year before last) during lectures.

The most frequent mistake for English speakers learning 一昨年 is confusing it with ototoi (the day before yesterday). Because they both start with the "oto-" sound and both refer to a "two-units-ago" concept, the brain often swaps them. It's helpful to remember that ototoi ends in 'i' (like hi for day, though the kanji is different) and ototoshi ends in 'shi' (which sounds like the start of shinnen or year). Mixing these up can lead to significant confusion—telling a boss you finished a report "the year before last" when you meant "the day before yesterday" might result in a very strange look!

Confusion with Ototoi

Mistaking 'the day before yesterday' for 'the year before last'. Remember: Toshi = Year.

Another common error involves the reading of the kanji. While the kanji 一昨年 looks like it should be read as "ichi-saku-nen," that is incorrect. It is either issakunen (with a small 'tsu' doubling the 's') or the completely different ototoshi. Beginners often try to apply standard onyomi rules and end up with non-existent words. Additionally, learners sometimes over-rely on the phrase ni-nen mae (two years ago). While ni-nen mae is grammatically correct and widely understood, 一昨年 is the more natural, native-sounding choice in most contexts. Using ni-nen mae exclusively can make your Japanese sound a bit textbook-like and repetitive.

A subtle mistake is using 一昨年 when referring to a duration rather than a point in time. If you want to say "I have been working here for two years," you should use ni-nen-kan. 一昨年 only identifies the specific year. You can say "I started working here ototoshi," but you cannot say "I have worked here ototoshi." This distinction between a point in time (toki) and a duration (kikan) is a fundamental hurdle for A2 learners. Always check if your English thought is "in the year..." (point) or "for two years..." (duration).

Mispronunciation

Pronouncing 'issakunen' as 'ichisakunen'. The 's' sound causes the 'chi' to become a 'tsu'.

Finally, be careful with the word saki-ototoshi (three years ago). Learners often think ototoshi is the limit of these relative markers and start using numbers after that. While san-nen mae is common, saki-ototoshi is a valid word that you will encounter. Conversely, don't try to invent words like "ato-ototoshi" for the future; the word for "the year after next" is sarainen. The symmetry of these words isn't always perfect, so memorizing the specific sequence is better than trying to apply a logical formula to every time period.

Register Mismatch

Using 'ototoshi' in a formal speech or 'issakunen' when talking to a small child.

When talking about the year before last, 一昨年 is your primary tool, but several other words occupy similar semantic space. The most direct alternative is ni-nen mae (二年前), which literally means "two years ago." While 一昨年 refers to the specific calendar year, ni-nen mae can refer to exactly 24 months from the current date. For example, if it's currently October 2024, ototoshi refers to the entire year of 2022, whereas ni-nen mae might specifically mean October 2022. This distinction is subtle but can be important in legal or technical contexts.

一昨年 vs. 二年前

一昨年 (Ototoshi) is the calendar year before last. 二年前 (Ni-nen mae) is two years ago from today.

Another word to consider is sakusakunen (昨々年). This is a highly formal version of issakunen. It uses the kanji for "previous" twice, emphasizing the two-step jump back in time. You will almost never hear this in speech, but you might see it in very old documents or extremely formal academic writing. It's good to recognize, but you don't need to use it. On the other end of the spectrum, kyonen (去年) is "last year." It's the most common relative year marker and serves as the baseline from which 一昨年 is understood. If you forget ototoshi, saying kyonen no mae no toshi (the year before last year) is a valid, if clunky, workaround.

Comparing 一昨年 to saku-nen (昨年) is also useful. Saku-nen is the formal version of kyonen. Just as ototoshi pairs with kyonen in casual speech, issakunen pairs with sakunen in formal speech. If you start a sentence with sakunen, you should use issakunen later in the same context to maintain consistency. Mixing registers (e.g., using ototoshi and sakunen in the same breath) can make your speech sound erratic. Consistency in register is a key marker of advanced fluency in Japanese.

一昨年 vs. 昨々年

一昨年 (Issakunen) is standard formal. 昨々年 (Sakusakunen) is archaic/ultra-formal.

Finally, let's look at saki-ototoshi (一昨昨年). This word adds another 'saku' to go back three years. While it exists, many people find it a bit of a mouthful and might just say san-nen mae instead. However, in the sequence of relative time, it's the next logical step. Understanding how these words stack—kotoshi, kyonen, ototoshi, saki-ototoshi—gives you a complete toolkit for discussing the recent past. In summary, use ototoshi for most situations, issakunen for work, and ni-nen mae when you need to be mathematically precise about the duration.

一昨年 vs. 前々年

前々年 (Zen-zen-nen) means 'the year before the year in question', often used in data comparisons.