Working with date and time, time spans, time zones as well ... - Poco

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DateTime and Timespan Calculations > DateTime, LocalDateTime and Timespan can be used together for date and time arithmetics, e.g.: > add a number of days to a date > add a number of hours to a date > calculate the difference between two dates in days (or hours, or seconds, ...)
#include "Poco/DateTime.h" #include "Poco/Timespan.h" using Poco::DateTime; using Poco::Timespan; int main(int argc, char** argv) { // what is my age? DateTime birthdate(1973, 9, 12, 2, 30); // 1973-09-12 02:30:00 DateTime now; Timespan age = now - birthdate; int days = age.days(); // in days int hours = age.totalHours(); // in hours int secs = age.totalSeconds(); // in seconds // when was I 10000 days old? Timespan span(10000*Timespan::DAYS); DateTime dt = birthdate + span; } return 0;
Page 1 and 2: Date and Time Working with date and
Page 3 and 4: The Timestamp Class > Poco::Timesta
Page 5 and 6: Epoch Time and UTC Time > In Unix,
Page 7 and 8: Timestamp Functions > time_t epochT
Page 9 and 10: Timestamp Arithmetics > Timestamp o
Page 11 and 12: The DateTime Class > Poco::DateTime
Page 13 and 14: Julian Day and Julian Date > The Ju
Page 15 and 16: Constructing a DateTime > A DateTim
Page 17 and 18: DateTime Functions (cont'd) > int d
Page 19 and 20: DateTime Functions (cont'd) > int m
Page 21 and 22: DateTime Static Functions > bool is
Page 23 and 24: #include "Poco/DateTime.h" using Po
Page 25 and 26: The LocalDateTime Class > Poco::Loc
Page 27 and 28: LocalDateTime Functions > LocalDate
Page 29 and 30: LocalDateTime dt1(1973, 9, 12, 2, 3
Page 31 and 32: Timespan Scaling Factors > Poco::Ti
Page 33 and 34: Timespan Operators > Poco::Timespan
Page 35 and 36: Timespan Functions (cont'd) > int s
Page 37: #include "Poco/Timespan.h" using Po
Page 41 and 42: Timezone Functions > int utcOffset(
Page 43 and 44: #include "Poco/Timezone.h" #include
Page 45 and 46: DateTimeFormatter Functions > All f
Page 47 and 48: DateTimeFormatter Functions (cont'd
Page 49 and 50: #include "Poco/DateTime.h" #include
Page 51 and 52: DateTimeParser Functions > void par
Page 53 and 54: DateTimeParser Functions (cont'd) >
Page 55 and 56: To dig deeper... > The Gregorian Ca

Working with date and time, time spans, time zones as well ... - Poco

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