Questions tagged [calendar]
A calendar is a system of reckoning time in which the beginning, length and divisions of a year are defined. The term may refer to a software class or library for the manipulation and display of calendar data, or to a list of events with associated dates and times, managed by a human via an application or operating system user interface.
calendar
13,750
questions
68
votes
3
answers
88k
views
Difference between EST and America/New_York time zones
Can somebody please tell, what's the difference between the following two statements:
TimeZone.getTimeZone("America/New_York")
and
TimeZone.getTimeZone("EST")
In other words, why is EST different ...
- 1,610
68
votes
11
answers
190k
views
Get first date of current month in java
I am trying to get to and from date where ToDate will have previous date and FromDate will have first date of the current month. For January it would be 1/1/2013 and so on. How to get the first date ...
user959883
65
votes
8
answers
134k
views
How to tackle daylight savings using TimeZone in Java
I have to print the EST time in my Java application. I had set the time zone to EST using:
Calendar cal = Calendar.getInstance(TimeZone.getTimeZone("EST"));
But when the daylight savings is being ...
- 1,561
63
votes
5
answers
134k
views
How to convert a date String to a Date or Calendar object?
I have a String representation of a date that I need to create a Date or Calendar object from. I've looked through Date and Calendar APIs but haven't found anything that can do this other than ...
- 23.7k
63
votes
9
answers
54k
views
Convert Date from Persian to Gregorian
How can I convert Persian date to Gregorian date using System.globalization.PersianCalendar?
Please note that I want to convert my Persian Date (e.g. today is 1391/04/07) and get the Gregorian Date ...
- 13.4k
61
votes
21
answers
69k
views
How to convert time to " time ago " in android
My server. It return time :
"2016-01-24T16:00:00.000Z"
I want
1 : convert to String.
2 : I want it show " time ago " when load it from server.
Please. Help me!
- 631
61
votes
2
answers
2k
views
Publishing Outlook Calendars. What is the server-side setting for sync frequency?
I'm working on a custom implementation of a server (VERY basic WebDAV) that accepts Outlook's published calendars.
Outlook seems to have a setting (see the screenshot below) where it accepts a ...
- 2,526
60
votes
27
answers
209k
views
Leap year calculation [closed]
In order to find leap years, why must the year be indivisible by 100 and divisible by 400?
I understand why it must be divisible by 4. Please explain the algorithm.
Ram
60
votes
5
answers
31k
views
A good date converter for Jalali Calendar in Java? [closed]
I'm developing a Java App and I have a timeStamp (in long). I can easily use this code to change it to a Gregorian date:
Calendar calendar = Calendar.getInstance();
calendar.setTimeInMillis(timeStamp)...
- 7,360
60
votes
5
answers
58k
views
Python: Converting from `datetime.datetime` to `time.time`
In Python, how do I convert a datetime.datetime into the kind of float that I would get from the time.time function?
- 87.1k
59
votes
8
answers
37k
views
Start of week for locale using Joda-Time
How do you determine which day of the week is considered the “start” according to a given Locale using Joda-Time?
Point: Most countries use the international standard Monday as first day of week (!). ...
- 5,301
58
votes
7
answers
54k
views
Laying out a database schema for a calendar application
I want to write a calendar application. It is really recurring items that throw a wrench in the works for the DB schema. I would love some input on how to organize this.
What if a user creates an ...
- 11.1k
55
votes
3
answers
157k
views
Why Java Calendar set(int year, int month, int date) not returning correct date? [duplicate]
According to doc, calendar set() is:
http://docs.oracle.com/javase/1.5.0/docs/api/java/util/Calendar.html#set%28int,%20int,%20int%29
set(int year, int month, int date)
Sets the values for the ...
- 19k
55
votes
4
answers
153k
views
Get date in current timezone in Java
I have been searching over the net from past few hours to get the datetime in my system timezone.
When I use calendar.getTimezone.getDefaultName()it always returns me GMT. Ideally it should return my ...
- 1,494
54
votes
8
answers
201k
views
Set Date in a single line
According to the Java API, the constructor Date(year, month, day) is deprecated. I know that I can replace it with the following code:
Calendar myCal = Calendar.getInstance();
myCal.set(Calendar.YEAR,...
- 747