Conversion of dates from one calendar or notation to another, for example, converting Julian calendar February 29, 1700 to Gregorian calendar March 11, 1700, or "March 11, 1700" to "1700-03-11".
Questions tagged [date-conversion]
688 questions
380
votes
18 answers
Convert one date format into another in PHP
Is there a simple way to convert one date format into another date format in PHP?
I have this:
$old_date = date('y-m-d-h-i-s'); // works
$middle = strtotime($old_date); // returns bool(false)
$new_date = date('Y-m-d H:i:s',…

Tom
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133
votes
10 answers
How to get the integer value of day of week
How do I get the day of a week in integer format? I know ToString will return only a string.
DateTime ClockInfoFromSystem = DateTime.Now;
int day1;
string day2;
day1= ClockInfoFromSystem.DayOfWeek.ToString(); /// it is not working
day2=…

akshaykumar6
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131
votes
7 answers
Go time.Now().UnixNano() convert to milliseconds?
How can I get Unix time in Go in milliseconds?
I have the following function:
func makeTimestamp() int64 {
return time.Now().UnixNano() % 1e6 / 1e3
}
I need less precision and only want milliseconds.

mconlin
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98
votes
9 answers
How to convert a string Date to long millseconds
I have a date inside a string, something like "12-December-2012".
How can I convert this into milliseconds (long)?

Dawood Ahmed
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86
votes
6 answers
How to remove the time portion of a datetime value (SQL Server)?
Here's what I use:
SELECT CAST(FLOOR(CAST(getdate() as FLOAT)) as DATETIME)
I'm thinking there may be a better and more elegant way.
Requirements:
It has to be as fast as possible (the less casting, the better).
The final result has to be a…

Nathan Bedford
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81
votes
7 answers
Converting unix time into date-time via excel
Trying to convert 1504865618099.00 Unix time into a readable date time.
I tried this:
=(UNIX + ("1/1/1970"-"1/1/1900"+1)*86400) / 86400
But it's not working.

JohnSmith
- 1,078
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64
votes
7 answers
How convert Gregorian date to Persian date?
I want to convert a custom Gregorian date to Persian date in C#.
For example, i have a string with this contents:
string GregorianDate = "Thursday, October 24, 2013";
Now i want to have:
string PersianDate = پنجشنبه 2 آبان 1392 ;
or
string…

JAC
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32
votes
6 answers
How to convert LocalDateTime to OffsetDateTime?
How to convert LocalDateTime to OffsetDateTime?
private OffsetDateTime getEntryDate(Payment payment) {
return Optional.ofNullable(payment)
.map(Payment::getEntryDate)
.map(SHOULD RETURN OffsetDateTime)
…

Melad Basilius
- 3,847
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28
votes
10 answers
Convert PHP date into javascript date format
I have a PHP script that outputs an array of data. This is then transformed into JSON using the json_encode() function.
My issue is I have a date within my array and it's not in the correct JavaScript format. How can I convert this within PHP so…

LeeTee
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27
votes
1 answer
Convert "unknown format" strings to datetime objects?
This is probably a very basic question but after reading documentation I still can't figure out how to do it...
I have two strings in Python that contain dates of unknown format. I don't know what formats they are in, except I know that both are…

I Z
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27
votes
6 answers
How can I convert a date in Epoch to "Y-m-d H:i:s" in Javascript?
How can I convert following date in epoch:
1293683278
to following readable date:
2010-06-23 09:57:58
using Javascript?
Thanks!

James Cazzetta
- 3,122
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23
votes
2 answers
Convert this string to timestamp PHP
I have this string: "13/10 15:00" and I would like to convert it to timestamp but when I do this:
$timestamp = strtotime("13/10 15:00");
It returns an empty value.

user2876368
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23
votes
8 answers
Convert String Date to String date different format
I am new to Java. Postgres db contain date format is yyyy-MM-dd. I need to convert to dd-MM-yyyy.
I have tried this, but wrong result is display
public static void main(String[] args) throws ParseException {
String strDate = "2013-02-21";
…

Murugesapillai Nagkeeran
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22
votes
5 answers
Converting Gregorian date to Hijri date
How do you convert Gregorian dates to Islamic Hijri dates using JavaScript?

FuNk
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18
votes
2 answers
VBA - convert to date
I have one more time a problem:
I want to convert from Strings to dates in VBA
The Strings look like: YYYY-DD-MM
The date should be like: DD.MM.YYYY
I know, normally you do this with the method cdate(), but it doesn't work here.
I think it's because…

InformatikBabo
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