## How do you say 45 minutes in English?

At minute 45, we say it’s “quarter to” the next hour. For example, at 5:45, we say it’s “quarter to six” (or 15 minutes before 6:00). At minute 30, we say it’s “half past”. So at 9:30, we would say it’s “half past nine” (or half an hour after 9:00).

### How do you write seconds?

For time, you can use : as a separator, as in “Meet me at 12:50 PM”, or “The world record for a full marathon is 2:01:39”. Usually, hours, minutes, and seconds are abbreviated as h, min, and s. Minute can also be written as m if there is no risk of confusion with the meter.

#### What is the symbol for hour?

h

What is the short form of seconds?

sec

What is the symbol for minute?

Table 6. Units outside the SI that are accepted for use with the SINameSymbolValue in SI unitsminute (time)min1 min = 60 shourh1 h = 60 min = 3600 sdayd1 d = 24 h = 86 400 s11

## How many seconds are in 1day?

86,400 seconds

### How many apostrophes do you need for seconds?

A prime is a symbol similar to an apostrophe or a close quotation mark that in technical usage follows a number to denote a unit; in lay content, a single prime (′) most frequently represents feet or minutes, and a double prime (″) indicates inches or seconds (“The deck is 10′ 6″ by 12′”) or minutes (“The duration was …

#### How do you notate minutes and seconds?

Prime markers start single and are multiplied for susbsequent appearances, so minutes use a single prime ′ and seconds use a double-prime ″. They are pronounced minutes and seconds respectively in the case of durations like this.

Does an apostrophe mean minutes?

An apostrophe sign can be used in: angles – then it means ‘ – angular minutes, ” – angular seconds. Example: ‘ which stands for: 75 degrees, 20 minutes and 39 seconds.

What is an apostrophe symbol?

The apostrophe (‘ or ‘) character is a punctuation mark, and sometimes a diacritical mark, in languages that use the Latin alphabet and some other alphabets. In English, it is used for three purposes: The marking of the omission of one or more letters (as in the contraction of do not to don’t).