Notice that date in milliseconds is in GMT/UTC so it should work well
universally even if your server is in a different time zone (which is very
likely). That's probably the source of the problem you're experiencing.
This is why the response from Javier should work as it removes the
time/location from the date and focuses on the calendar day.
On Monday, June 21, 2021 at 9:39:50 AM UTC+3 javier...@gmail.com wrote:
> Try this:
>
> public static String cambiaNumeroFecha(Long fecha) {
>
> SimpleDateFormat dateFormat = new SimpleDateFormat();
> dateFormat.applyPattern("yyyy-MM-dd");
>
> Date d = new Date(fecha);
>
> return dateFormat.format(d);
> }
>
> Javier
>
> On Mon, 21 Jun 2021 at 05:40, rdvg...@gmail.com <rdvg...@gmail.com> wrote:
>
>> Sorry, correction:
>>
>> public static String cambiaNumeroFecha(Long fecha) {
>> Calendar c = Calendar.getInstance();
>> Date d = new Date(fecha);
>> c.setTime(d);
>>
>> String r = Integer.toString(c.get(Calendar.YEAR)) + "-"
>> + Integer.toString(c.get(Calendar.MONTH)) + "-"
>> + Integer.toString(c.get(Calendar.DAY_OF_MONTH));
>> return r;
>> }
>>
>> El Sunday, June 20, 2021 a la(s) 11:36:23 PM UTC-5, rdvg...@gmail.com
>> escribió:
>>
>>> My app sends the date in milliseconds to a WS. Upon receiving it, I
>>> convert it to date format in the WS, but it appears to me with differences
>>> with respect to the initial value.
>>> I decided to send the date in string format and as my logic in the app
>>> always uses the date in milliseconds, it seemed correct to create a method
>>> to return the date in string.
>>>
>>> The problem I have is that he always returns me with a wrong month. I
>>> have tried to use DateUtil, but can't find a way to apply it.
>>>
>>> My method is as follows and I appreciate the support.
>>>
>>> public static String cambiaNumeroFecha(Long fecha) {
>>> Calendar c = Calendar.getInstance();
>>> Date d = new Date(fecha);
>>>
>>> String r = Integer.toString(c.get(Calendar.YEAR)) + "-"
>>> + Integer.toString(c.get(Calendar.MONTH)) + "-"
>>> + Integer.toString(c.get(Calendar.DAY_OF_MONTH));
>>> return r;
>>> }
>>>
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