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date_N_days_after_date (), 122124 |
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date_not_equal (), 80 |
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day_and_month_equal (), 80 |
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day_equal (), 80 |
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month_equal (), 80 |
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year_equal (), 80 |
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date conversions |
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arabic_to_roman (), 75 |
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DTLT_179.C, 41 |
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date formatting |
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format_date_alpha_DMY (), 73 |
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format_date_alpha_MDY (), 73 |
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format_date_alpha_YMD (), 8890 |
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format_date_military (), 9091 |
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ISO_YWD interconversion, 221222 |
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YY-MM-DD, 47 |
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date functions |
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DATE_INFO, 5152 |
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date_to_DOS_date, 76 |
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date_to_DOS_date (), 76 |
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dateinfo.h, 5152, 5859 |
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DOS_date_to_date (), 76 |
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DTLT_177.C, 474 |
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DTLT_183.C, 464 |
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edl_date, 6 |
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estimated_delivery_date, 474 |
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same_day_N_months_after (), 464 |
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date overlap |
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DTLT_143.C, 177 |
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DTLT_143.SRT, 177 |
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DTLT_143.UST, 177 |
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DTLT_144.C, 177 |
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solutions, 176177 |
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date/time validations |
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valid_date_gregorian (), 81 |
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valid_date_julian (), 81 |
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valid_time_24 (), 81 |
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dates |
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algorithm for interconversion of, 180, 186187 |
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astronomical events, 107108, 124125 |
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calculations involving, 7879 |
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civil, 134136 |
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common days of observance, 127133 |
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conversion from Julian to Gregorian calendar, 247248 |
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conversion to Julian Day number, 43, 7677, 9394 |
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converting historical, 180181 |
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Federal holidays, 135137 |
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Greek Attic civil calendar, 371 |
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Hatcher's equations, 316318 |
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ISO 8601, 195199 |
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in keys, 21 |
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matching with magic numbers, 259 |
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month functions, 72 |
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Old Style vs. New Style, 180 |
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validations, 81 |
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dating, margin for error, 394395 |
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day of week See DOW (days of the week) |
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day of week functions |
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day_of_week_abbreviation (), 78, 9697 |
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day_of_week_index_JD0 (), 77, 140 |
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day_of_week_index (), 77 |
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day_of_week_name (), 7778, 9596 |
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day_of_wek_name (), 78 |
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is_day_of_week (), 77 |
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daylight savings, dd ACTS code, 47 |
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days |
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astronomical units, 3334 |
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Baha'i calendar, 351, 354 |
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Chinese calendar, 380, 383 |
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date comparisons, 80 |
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French Revolutionary calendar, 386 |
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