ABS_AFTER ABS_BEFORE AD ADBC AdjustTimestampForTypmod AdjustTimestampForTypmodError AGO AM AMPM BC CENTURY CheckDateTokenTables ConvertTimeZoneAbbrevs DA_D DAGO date2j DateOrder DATEORDER_DMY DATEORDER_MDY DATEORDER_YMD DateStyle DateTimeParseError DAY day_tab days DB_C DCENTURY DCURRENT DDAY DDECADE DECADE DecodeDateTime DecodeInterval DecodeISO8601Interval DecodeSpecial DecodeTimeOnly DecodeTimezone DecodeTimezoneAbbrev DecodeUnits DetermineTimeZoneAbbrevOffset DetermineTimeZoneAbbrevOffsetTS DetermineTimeZoneOffset DHOUR DMICROSEC DMILLENNIUM DMILLISEC DMINUTE DMONTH DOW DOY DQUARTER DSECOND DTERR_BAD_FORMAT DTERR_BAD_FORMAT DTERR_FIELD_OVERFLOW DTERR_FIELD_OVERFLOW DTERR_INTERVAL_OVERFLOW DTERR_INTERVAL_OVERFLOW DTERR_MD_FIELD_OVERFLOW DTERR_MD_FIELD_OVERFLOW DTERR_TZDISP_OVERFLOW DTERR_TZDISP_OVERFLOW DTIMEZONE DTK_AGO DTK_ALL_SECS_M DTK_CENTURY DTK_DATE DTK_DATE_M DTK_DAY DTK_DECADE DTK_DELTA DTK_DOW DTK_DOY DTK_EARLY DTK_EPOCH DTK_HOUR DTK_ISODOW DTK_ISOYEAR DTK_JULIAN DTK_LATE DTK_M DTK_MICROSEC DTK_MILLENNIUM DTK_MILLISEC DTK_MINUTE DTK_MONTH DTK_NOW DTK_NUMBER DTK_QUARTER DTK_SECOND DTK_SPECIAL DTK_STRING DTK_TIME DTK_TIME_M DTK_TODAY DTK_TOMORROW DTK_TZ DTK_TZ_HOUR DTK_TZ_MINUTE DTK_WEEK DTK_YEAR DTK_YESTERDAY DTK_ZULU DTZ DTZMOD DWEEK DYEAR DynamicZoneAbbrev DYNTZ EARLY EncodeDateOnly EncodeDateTime EncodeInterval EncodeSpecialTimestamp EncodeTimeOnly EPOCH FMODULO fsec_t GetCurrentDateTime GetCurrentTimeUsec HOUR HR24 IGNORE_DTF InstallTimeZoneAbbrevs INTERVAL_FULL_RANGE INTERVAL_MASK IntervalStyle INTSTYLE_ISO_8601 INTSTYLE_POSTGRES INTSTYLE_POSTGRES_VERBOSE INTSTYLE_SQL_STANDARD INVALID isleap ISODATE ISOTIME j2date j2day JULIAN LATE MAX_INTERVAL_PRECISION MAXDATEFIELDS MAXDATELEN MAXTZLEN MICROSECOND MILLENNIUM MILLISECOND MINUTE MONTH months NOW ParseDateTime PM RESERV SECOND TimeZoneAbbrevTable TMODULO TODAY TOKMAXLEN TOMORROW TZ UNITS UNKNOWN_FIELD USE_GERMAN_DATES USE_ISO_DATES USE_POSTGRES_DATES USE_SQL_DATES USE_XSD_DATES ValidateDate WEEK YEAR YESTERDAY ZULU

DTK_HOUR #define DTK_HOUR   20