Python3 11장 날짜이야기

Nov 21, 20112 likes931 views

Jihoon Kong

시간 모듈

타임 스탬프 : 컴퓨터에서 시간을 측정하는 방법으로 1970년 1월 1일 자정 이후
로 초단위로 측정한 절대시간

협정시계시 (UTC) : 1972부터 시행된 국제 표준시.

그리니치 평균시(GMT) : 런던 그리니치 천문대의 자오선상에서의 평균 태양시

지방 표준시 (LST) : UTC를 기준으로 경도 15도마다 1시간 차이가 발생하는 시
간입니다. 한국은 동경 135도를 기준으로 UTC보다 9시간 빠릅니다.

일광 절약 시간제 (DTS) : 서머타임으로 알고있는것

.

�վ��모듈��수
.
1970년 1월 1일 자정이후로 누적된 초를 float으로 반환

Utc 기준의 현재시간
.
시스템 기준의 현재시간

타임스탬프를 struct_time시퀀스 객체로

개별속성값

개별속성값
struct_time시퀀스객체를 지정된 형태로 변환

struct_time시퀀스 객체를 타임스탬프 값으로 변환

날짜시간(datetime) 모듈
Class datetime.date 일반적으로 사용되는 그레고리안 달력의
년월일을 가리킨다.

Class datetime.time 시간을 시,분,초, 마이크로초 시간대로 나타
냅니다.

Class datetime.datetime date클래스와 time클래스의 조합으로
년,월,일,시,분,초, 마이크로초 시간대 정보를 나타냅니다.

Class datetime.timedelta 두날짜 혹은 시간사이의 기간을 표현
합니다.

Date 클래스 생성자와 클래스 메서드 예

년월일을 입력하여 date객체 생성

2월은 28일인데 넘어가서

d a t e 객체 생성
타임스
오늘날짜의 date객체
생성

탬프로

date객체의 속성예제

struct_time시퀀스 객체를 반환

1.1.1이후로 현재까지 누적 날짜 반환

월요일이라서 0 반환 화는 1 수는 2 일
은6

Timedelta 연산

현재로부터 7시간이후

현재로부터 3일전

두 timedelta객체의 합
7시간 = 25200초
두 객체의 차

28시간 = 1일 4시간 = 1일 14400초

기간의 절대값

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Python3 11장 날짜이야기

1. 11. 날짜 이야기 발표자 공지훈 sagehoon@gmail.com

2. 시간 모듈 타임 스탬프 : 컴퓨터에서 시간을 측정하는 방법으로 1970년 1월 1일 자정 이후 로 초단위로 측정한 절대시간 협정시계시 (UTC) : 1972부터 시행된 국제 표준시. 그리니치 평균시(GMT) : 런던 그리니치 천문대의 자오선상에서의 평균 태양시 지방 표준시 (LST) : UTC를 기준으로 경도 15도마다 1시간 차이가 발생하는 시 간입니다. 한국은 동경 135도를 기준으로 UTC보다 9시간 빠릅니다. 일광 절약 시간제 (DTS) : 서머타임으로 알고있는것 .

3. �վ��모듈��수 . 1970년 1월 1일 자정이후로 누적된 초를 float으로 반환 Utc 기준의 현재시간 . 시스템 기준의 현재시간 타임스탬프를 struct_time시퀀스 객체로 개별속성값 개별속성값 struct_time시퀀스객체를 지정된 형태로 변환 struct_time시퀀스 객체를 타임스탬프 값으로 변환

4. 10초간 sleep하는 예제

5. Strptime(), strftime()메서드

6. 날짜시간(datetime) 모듈 Class datetime.date 일반적으로 사용되는 그레고리안 달력의 년월일을 가리킨다. Class datetime.time 시간을 시,분,초, 마이크로초 시간대로 나타 냅니다. Class datetime.datetime date클래스와 time클래스의 조합으로 년,월,일,시,분,초, 마이크로초 시간대 정보를 나타냅니다. Class datetime.timedelta 두날짜 혹은 시간사이의 기간을 표현 합니다.

7. Date 클래스 생성자와 클래스 메서드 예 년월일을 입력하여 date객체 생성 2월은 28일인데 넘어가서 d a t e 객체 생성 타임스 오늘날짜의 date객체 생성 탬프로

8. date객체의 속성예제 struct_time시퀀스 객체를 반환 1.1.1이후로 현재까지 누적 날짜 반환 월요일이라서 0 반환 화는 1 수는 2 일 은6

9. time객체 생성 예제

10. datetime객체 생성 예제

11. datetime클래스를 다른형식으로 변환메서드

12. datetime클래스 출력과 관련된 메서드

13. �پ��ٲ�클래스 3일이전 7시간이후

14. Timedelta 연산 현재로부터 7시간이후 현재로부터 3일전 두 timedelta객체의 합 7시간 = 25200초 두 객체의 차 28시간 = 1일 4시간 = 1일 14400초 기간의 절대값

15. Timedelta의 boolean연산

16. Timedelta 객체 비교연산- timedelta,date

17. timedelta와 datetime

18. Q&A