How to resolve the algorithm Date manipulation step by step in the Mathematica / Wolfram Language programming language
How to resolve the algorithm Date manipulation step by step in the Mathematica / Wolfram Language programming language
Table of Contents
Problem Statement
Given the date string "March 7 2009 7:30pm EST", output the time 12 hours later in any human-readable format. As extra credit, display the resulting time in a time zone different from your own.
Let's start with the solution:
Step by Step solution about How to resolve the algorithm Date manipulation step by step in the Mathematica / Wolfram Language programming language
1. Import the DateString
Function:
The DateString
function is used to format a date or time value as a string. It is imported into the program using the following line:
DateString[DatePlus[dstr, {12, "Hour"}], {"DayName", " ", "MonthName", " ", "Day", " ", "Year", " ", "Hour24", ":", "Minute", "AMPM"}]
2. Parse the Input Date String:
The source code begins by assigning a string to the variable dstr
:
dstr = "March 7 2009 7:30pm EST";
This string represents a date and time in the format "MonthName Day Year Hour:MinuteAMPM Timezone". The DatePlus
function is then used to add 12 hours to the input date string:
DatePlus[dstr, {12, "Hour"}]
This step is necessary because the DateString
function requires the date to be in 24-hour format, while the input date string is in 12-hour format.
3. Format the Date and Time:
The format of the output date and time string is specified inside the DateString
function:
{"DayName", " ", "MonthName", " ", "Day", " ", "Year", " ", "Hour24", ":", "Minute", "AMPM"}
This format specifies that the output should include the day of the week, month name, day of the month, year, 24-hour hour, minute, and AM/PM indicator.
4. Display the Formatted Date and Time:
The result of the DateString
function is displayed in the console, providing a formatted representation of the input date and time:
Saturday March 7 2009 19:30PM
In this case, the input date and time "March 7 2009 7:30pm EST" was converted to "Saturday March 7 2009 19:30PM" in 24-hour format.
Source code in the wolfram programming language
dstr = "March 7 2009 7:30pm EST";
DateString[DatePlus[dstr, {12, "Hour"}], {"DayName", " ", "MonthName", " ", "Day", " ", "Year", " ", "Hour24", ":", "Minute", "AMPM"}]
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