In English, Parts of speech form the essential and basic grammar rules for the language. Ideally, in the English language, parts of speech are the structural blocks of efficient functional grammar.
Adverbs are words that qualify and modify a verb concerning time, place, frequency, manner, situation, etc. Prepositions are those that ascertain a relation to another part of the sentence.
Key Takeaways
- โSinceโ functions as a preposition or conjunction, indicating a starting point in time or a cause or reason for a situation or action.
- โHenceโ is an adverb signifying a logical consequence or inference drawn from a preceding statement or fact.
- Both words express a causal relationship, but โsinceโ emphasizes the origin or reason, while โhenceโ highlights the resulting conclusion or outcome.
Since vs. Hence
The difference between Since and Hence is a sentenceโs grammar form, meaning, and usage. โSinceโ is used to explain something happening in the past, but โHenceโ is used for describing some action as a result of something that happened in the past and connects to the future.

โSinceโ can be used as an adverb, preposition, or conjunction. The meaning of the word โSinceโ commonly refers to the period between two circumstances.
The word โHence,โ an adverb, denotes something as a consequence of or as a result of, or therefore.
Comparison Table
Parameter of Comparison | Since | Hence |
---|---|---|
Meaning | Describes the period in between two situations and can also be used for justifying a position. | Describes an action as a result of and is also used to denote actions from now on. |
Grammar Form | Used as a Conjunction, a proposition, or an Adverb. | They are used as an Adverb only. |
Part of the Sentence | Usually refers to the past action and can be used at the beginning and the middle. | Generally refers to the future action and can be used at the beginning and the middle. |
Usage | Used to highlight the intervening time between two actions. | They are used to highlight an action as a result of or as a consequence of. |
Example | โIt has been a long time since we met each other.โ | โIt is raining heavily; hence you must carry an umbrella.โ |
When to Use Since?
โSinceโ represents a particular period from the past to the present. It is used in English as part of speech to make the language more understandable and precise.
โSinceโ can be used as an Adverb or Conjunction or Preposition based on the situation and requirement of the language. It can be used at the beginning of the sentence as well as in the middle of the sentence.
โSinceโ can also be used as โSince then.โ The following examples shall be considered to understand the application and usage of the word โSinceโ in various situations.
The word โSinceโ can be used as an Adverb in the following sentence.
- โHe went Abroad last year, and we have not seen him since.โ
- โThey vacated their house last month and have not been seen since.โ
The word โSinceโ can be used as a Conjunction in a sentence as follows.
- โHe has been warned twice since he joined the organization.โ
- โHe worked in different odd jobs since dropping out of school.โ
The word โSinceโ can be used as a Preposition in a sentence as follows.
- โThings have changed a lot since last winter.โ
- โSince joining the company, she has been promoted thrice.โ

When to Use Hence?
โHenceโ is used in a sentence as an adverb and refers to a reason or explanation given in a particular scenario. There are specific ways in which this word can be used in English Grammar.
โHenceโ is sometimes called โHenceforth,โ an adverb representing something at a given time.
The word โHenceโ can be used to begin a sentence, and it can also be used in the middle of a sentence according to the requirement.
The following examples shall be considered to understand the application and usage of โHence.โ
- โThe committee meeting will be held two days hence.โ
- โIt is freezing; hence we decided to stay inside.โ
- โHence, I request you to grant me leave kindly.โ
- โThe construction will be completed at the end of the decade, three years hence.โ
- โA recession is likely to rise again in 2020; hence stringent economic measures must be takenโ.
Main Differences Between Since and Hence
- The words โSinceโ and โHenceโ have different meanings in the English language and differ in their usage in a sentence. The main difference between the words โSinceโ and โHenceโ is the context and grammar form in which it is used.
- โSinceโ can be used as a conjunction, preposition, or adverb in a sentence, whereas โHenceโ can be used only as an adverb in a sentence.
- โSinceโ generally refers to an action from the past, but โHenceโ denotes a movement from the future.
- The word โSinceโ is used to describe the period between two actions and also to introduce an activity. In contrast, โHenceโ is used to describe an action that has occurred as a consequence of and is used instead of โTherefore.โ
- The word โSinceโ is generally confused with usage in place of โFor,โ and the word โHenceโ is generally confused with usage in place of โThusโ or โTherefore.โ

Emma Smith holds an MA degree in English from Irvine Valley College. She has been a Journalist since 2002, writing articles on the English language, Sports, and Law. Read more about me on her bio page.