Let's discuss one more moment with times - 12 and 24-hour formats. Many countries use the 24-hour format in documents, but 12-hour format in daily communication. At the same time, many countries use the 12-hour time format only. So, we need to learn how to deal with and be able to format such times.

There are several more format codes to deal with this issue.

|Format code|Meaning|Example|
|---|---|---|
|`%H`|Hour (24-hour clock) as a zero-padded decimal number|00, 01, ..., 22, 23|
|`%I`|Hour (12-hour clock) as a zero-padded decimal number|01, 02, ..., 11, 12|
|`%p`|Locale’s equivalent of either AM or PM|AM, PM|

Dates and(or) times are one of the most common things in modern data: often we need to deal with observations containing dates and times. In this course, you will learn about datetime, pytz libraries, and how they help to deal with different formats of dates and times. Also, you will learn how to implement this knowledge to work with dirty or missing date/time values.

In this section, you will learn how to deal with dates in your data. Specifically, you will learn how to create date objects, how to perform arithmetic operations, like difference, how to convert dates into different local formats, and so on.

In this section, you will learn how to deal with data containing not only dates, but also times, or times only.

In this section, you will learn how to apply and adapt timezones to datetime objects and also how to deal with daylight (or summer) time.

In this section, you will learn how to implement acquired knowledge about manipulation with dates and times for different datasets using pandas library. In particular, you will handle with taxi rides dataset in Mexico City, analyzing it, correcting mistakes, and so on.

12-Hour and 24-Hour Formats

解答

Format code	Meaning	Example
`%H`	Hour (24-hour clock) as a zero-padded decimal number	00, 01, ..., 22, 23
`%I`	Hour (12-hour clock) as a zero-padded decimal number	01, 02, ..., 11, 12
`%p`	Locale’s equivalent of either AM or PM	AM, PM