Thank you for visiting Write a program to calculate the number of seconds since midnight For example suppose the time is 1 02 05 AM Since there are 3600. This page is designed to guide you through key points and clear explanations related to the topic at hand. We aim to make your learning experience smooth, insightful, and informative. Dive in and discover the answers you're looking for!
Answer :
Final answer:
The program provided takes user input for hour, minute, second, and period (AM/PM) and calculates the total number of seconds since midnight. Special attention is given to the hour input to correctly adjust for 12-hour time format nuances, ensuring accurate conversion and calculation.
Explanation:
Calculating the number of seconds since midnight involves several steps of time conversion and careful consideration of whether the time is AM or PM, especially in the instance of 12 o'clock. Below is a simple program in Python which prompts the user for the required information and calculates the number of seconds since midnight:
Python Program:
def calculate_seconds(hour, minute, second, period):
if hour == 12:
hour = 0
if period.lower() == 'pm':
hour += 12
total_seconds = (hour * 3600) + (minute * 60) + second
return total_seconds
# User input
hour = int(input('Enter the hour: '))
minute = int(input('Enter the minutes: '))
second = int(input('Enter the seconds: '))
period = input('Enter AM or PM: ')
# Calculation
total_seconds_since_midnight = calculate_seconds(hour, minute, second, period)
print(f'It has been {total_seconds_since_midnight} seconds since midnight.')
This program will correctly convert the given time to the total seconds since midnight using the entered hour, minute, and second values, along with the period of the day.
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Rewritten by : Jeany
Answer:
// here is code in c++.
#include
using namespace std;
int main()
{
// variables
int hour,min,sec,tot_sec;
string str,s="AM";
cout<<"enter number of hours:";
// read hour
cin>>hour;
cout<<"enter number of minutes:";
// read minute
cin>>min;
cout<<"enter number of seconds:";
// read seconds
cin>>sec;
cout<<"Enter AM or PM:";
// read AM or PM
cin>>str;
if((str.compare(s) == 0 )&& hour==12)
{
hour=0;
}
// calculate total seconds
tot_sec=hour*3600+min*60+sec;
// print the output
cout<<"total seconds since midnight is : "< return 0; } Explanation: Read the value of hour, minute, second and string "AM" or "PM" from user. Then if string is equal to "AM" then make hour=0.Then multiply hour with 3600, minute with 60 and add them with second.It will give the total seconds from midnight. Output: enter number of hours:12 enter number of minutes:46 enter number of seconds:23 Enter AM or PM:AM total seconds since midnight is: 2783
