Can we get timezone of a user based on GMT
Date : March 29 2020, 07:55 AM
should help you out i wanted to display the time along with timezone.for example 17:35 IST var now = new Date();
localtime = now.toTimeString();
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Does Facebook's login API update the timezone offset depending on whether DST is used in a user's area?
Date : March 29 2020, 07:55 AM
With these it helps Facebook's documentation explains that the timezone field is the user's timezone offset from UTC. What it doesn't make clear, but I have found through experimentation, is that it is not necessarily the user's current offset, but it instead it is the offset as of the user's last log in. If the user changes time zones, or daylight saving time begins or ends, that will not be reflected in the Facebook data until the user's next log in.
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Is there a web-based API available to find User's TimeZone based on his/her Tel countrycode?
Date : March 29 2020, 07:55 AM
should help you out Googling 'telephone country code web service' came back with: https://restcountries.euIn particular, what you were looking for: https://restcountries.eu/rest/v1/callingcode/[
{
"name": "Australia",
"capital": "Canberra",
"altSpellings": [
"AU"
],
"relevance": "1.5",
"region": "Oceania",
"subregion": "Australia and New Zealand",
"translations": {
"de": "Australien",
"es": "Australia",
"fr": "Australie",
"ja": "オーストラリア",
"it": "Australia"
},
"population": 23868800,
"latlng": [
-27,
133
],
"demonym": "Australian",
"area": 7692024,
"gini": 30.5,
"timezones": [
"UTC+05:00",
"UTC+06:30",
"UTC+07:00",
"UTC+08:00",
"UTC+09:30",
"UTC+10:00",
"UTC+10:30",
"UTC+11:30"
]
...
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Get timezone of area with country code in Java
Date : March 29 2020, 07:55 AM
help you fix your problem As per the documentation the getTimeZone method returns the specified TimeZone, or the GMT zone if the given ID cannot be understood. There's no TimeZone ID called US hence it gives the GMT zone. If you really want to get all the list of TimeZones available in US, I would suggest you to use the following. final List<String> timeZonesInUS = Stream.of(TimeZone.getAvailableIDs())
.filter(zoneId -> zoneId.startsWith("US")).collect(Collectors.toList());
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When the timezone is adjusted to user's timezone when retrieving data from TIMESTAMP WITH LOCAL TIMEZONE column?
Date : December 27 2020, 04:45 PM
I hope this helps you . The database does it. If you store the same nominal moment in time in timestamp, timestamp with time zone and timestamp with local time zone columns: create table t42 (id number,
ts timestamp,
tstz timestamp with time zone,
tsltz timestamp with local time zone
);
insert into t42 (id, ts, tstz, tsltz)
values (1,
timestamp '2019-08-13 07:13:20 UTC',
timestamp '2019-08-13 07:13:20 UTC',
timestamp '2019-08-13 07:13:20 UTC'
);
insert into t42 (id, ts, tstz, tsltz)
values (2,
timestamp '2019-08-13 12:34:56.789 Australia/Sydney',
timestamp '2019-08-13 12:34:56.789 Australia/Sydney',
timestamp '2019-08-13 12:34:56.789 Australia/Sydney'
);
alter session set time_zone = 'Europe/London';
select id, ts, tstz, tsltz from t42 order by id;
ID TS TSTZ TSLTZ
-- ----------------------- ---------------------------------------- -----------------------
1 2019-08-13 07:13:20.000 2019-08-13 07:13:20.000 UTC 2019-08-13 03:13:20.000
2 2019-08-13 12:34:56.789 2019-08-13 12:34:56.789 AUSTRALIA/SYDNEY 2019-08-12 22:34:56.789
select id, 'TS' as col, to_char(ts, 'YYYY-MM-DD HH24:MI:SS.FF3') as value, dump(ts) as dumped from t42
union all
select id, 'TSTZ', to_char(tstz, 'YYYY-MM-DD HH24:MI:SS.FF3 TZR'), dump(tstz) from t42
union all
select id, 'TSLTZ', to_char(tsltz, 'YYYY-MM-DD HH24:MI:SS.FF3 TZR'), dump(tsltz) from t42
order by 1, 4;
ID COL VALUE DUMPED
-- ----- ---------------------------------------- -------------------------------------------------------
1 TS 2019-08-13 07:13:20.000 Typ=180 Len=7: 120,119,8,13,8,14,21
1 TSTZ 2019-08-13 07:13:20.000 UTC Typ=181 Len=13: 120,119,8,13,8,14,21,0,0,0,0,208,4
1 TSLTZ 2019-08-13 08:13:20.000 EUROPE/LONDON Typ=231 Len=7: 120,119,8,13,8,14,21
2 TS 2019-08-13 12:34:56.789 Typ=180 Len=11: 120,119,8,13,13,35,57,47,7,47,64
2 TSTZ 2019-08-13 12:34:56.789 AUSTRALIA/SYDNEY Typ=181 Len=13: 120,119,8,13,3,35,57,47,7,47,64,133,128
2 TSLTZ 2019-08-13 03:34:56.789 EUROPE/LONDON Typ=231 Len=11: 120,119,8,13,3,35,57,47,7,47,64
select dbtimezone, sessiontimezone from dual;
DBTIME SESSIONTIMEZONE
------ ---------------------------------------------------------------------------
+00:00 Europe/London
alter session set time_zone = 'America/New_York';
select id, 'TS' as col, to_char(ts, 'YYYY-MM-DD HH24:MI:SS.FF3') as value, dump(ts) as dumped from t42
union all
select id, 'TSTZ', to_char(tstz, 'YYYY-MM-DD HH24:MI:SS.FF3 TZR'), dump(tstz) from t42
union all
select id, 'TSLTZ', to_char(tsltz, 'YYYY-MM-DD HH24:MI:SS.FF3 TZR'), dump(tsltz) from t42
order by 1, 4;
ID COL VALUE DUMPED
-- ----- ---------------------------------------- -------------------------------------------------------
1 TS 2019-08-13 07:13:20.000 Typ=180 Len=7: 120,119,8,13,8,14,21
1 TSTZ 2019-08-13 07:13:20.000 UTC Typ=181 Len=13: 120,119,8,13,8,14,21,0,0,0,0,208,4
1 TSLTZ 2019-08-13 03:13:20.000 AMERICA/NEW_YORK Typ=231 Len=7: 120,119,8,13,8,14,21
2 TS 2019-08-13 12:34:56.789 Typ=180 Len=11: 120,119,8,13,13,35,57,47,7,47,64
2 TSTZ 2019-08-13 12:34:56.789 AUSTRALIA/SYDNEY Typ=181 Len=13: 120,119,8,13,3,35,57,47,7,47,64,133,128
2 TSLTZ 2019-08-12 22:34:56.789 AMERICA/NEW_YORK Typ=231 Len=11: 120,119,8,13,3,35,57,47,7,47,64
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