{"id":"vidhyamitra:city-day:dubai:2017-12-21:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/dubai/2017-12-21","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2017-12-21","date_display":"December 21, 2017 CE","panchanga":{"method":"Sūrya Siddhānta + Bhāskara-II iterative manda + Kerala-school (Mādhava-Nīlakaṇṭha) evection + variation + annual equation","engine_version":"2.0 (Kerala-school enhanced)","accuracy_note":"Not independently benchmarked across the declared range","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":2017,"month":12,"day":21,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2458108.770833,"kali_year":5119,"ahargana":1869643.2708,"sun":{"sidereal_longitude":244.873,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":277.769,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":3,"name":"Tṛtīyā","paksha":"Śukla","full_name":"Śukla Tṛtīyā","elongation_degrees":32.896,"elapsed_within_tithi_degrees":8.896},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":4,"moon_longitude":277.769,"elapsed_within_degrees":11.1023},"yoga":{"number":13,"name":"Vyāghāta","sum_longitude":162.642},"karana":{"half_tithi_index":5,"name":"Gara"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"sky":{"method":"Sūrya-Siddhāntic Bhāskara-II 4-step iteration with atan2-based śīghra + varying peripheries + lunar latitude","engine_version":"3.0 (Pūrṇa — complete SS implementation)","tradition_sources":"Āryabhaṭīya 499 CE → SS Ch.1-5 Burgess 1860 → Siddhānta-Śiromaṇi Bhāskara II 1150 → Tantrasaṅgraha Nīlakaṇṭha 1501","input":{"year":2017,"month":12,"day":21,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2458108.770833,"ahargana":1869643.2708,"kali_year":5119,"ayanamsa_lahiri":24.104,"grahas":{"sun":{"sidereal_longitude":245.24922600000002,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":2},"retrograde":false},"moon":{"sidereal_longitude":275.224026,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":3},"retrograde":false,"latitude":1.5032},"mars":{"sidereal_longitude":192.909626,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":228.88712599999997,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":1},"retrograde":true},"jupiter":{"sidereal_longitude":200.650626,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":1},"retrograde":false},"venus":{"sidereal_longitude":240.39772599999992,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":245.84592599999996,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":117.3022,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Āśleṣā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":297.3022,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":2},"retrograde":false}},"panchang":{"method":"Sūrya Siddhānta + Bhāskara-II iterative manda + Kerala-school (Mādhava-Nīlakaṇṭha) evection + variation + annual equation","engine_version":"2.0 (Kerala-school enhanced)","accuracy_note":"Not independently benchmarked across the declared range","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":2017,"month":12,"day":21,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2458108.770833,"kali_year":5119,"ahargana":1869643.2708,"sun":{"sidereal_longitude":244.873,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":277.769,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":3,"name":"Tṛtīyā","paksha":"Śukla","full_name":"Śukla Tṛtīyā","elongation_degrees":32.896,"elapsed_within_tithi_degrees":8.896},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":4,"moon_longitude":277.769,"elapsed_within_degrees":11.1023},"yoga":{"number":13,"name":"Vyāghāta","sum_longitude":162.642},"karana":{"half_tithi_index":5,"name":"Gara"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":1.503,"elongation":32.896},"lunar":{"type":"lunar","occurs":false,"moon_latitude":1.503,"opposition_distance":147.104}},"eclipse_window_40days":[]},"city":{"slug":"dubai","name":"Dubai, UAE","lat":25.2048,"lon":55.2708,"tz_offset_hours":4,"country":"AE","tier":"diaspora"},"tier2":{"city":{"slug":"dubai","name":"Dubai, UAE","lat":25.2048,"lon":55.2708,"tz_offset_hours":4,"country":"AE","tier":"diaspora"},"sunriseLocal":"07:01","sunsetLocal":"17:35","solarNoonLocal":"12:18","dayLengthHours":10.56682378128696,"dayLengthDisplay":"10 Hours 34 Mins 01 Secs","nightLengthDisplay":"13 Hours 25 Mins 59 Secs","moonriseLocal":"08:55","moonsetLocal":"19:40","rahuKala":{"name":"Rāhu Kāla","start":"13:37","end":"14:56","startHours":13.613089149211833,"endHours":14.933942121872704,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"07:01","end":"08:20","startHours":7.008824285907483,"endHours":8.329677258568353,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"09:39","end":"10:58","startHours":9.650530231229222,"endHours":10.971383203890094,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:28","end":"09:50","startHours":9.474416501541107,"endHours":9.82664396091734,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:27","end":"07:44","startHours":7.449108610127773,"endHours":7.730890577628759,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:56","end":"12:39","startHours":11.940008717174731,"endHours":12.644463635927195,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:36","end":"06:18","startHours":5.599914448402555,"endHours":6.304369367155019,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:08","end":"07:01","startHours":6.1282556374669035,"endHours":7.008824285907483,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:03","end":"14:45","startHours":14.053373473432124,"endHours":14.757828392184589,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:23","end":"17:47","startHours":17.375648067194444,"endHours":17.775648067194442,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:35","end":"18:01","startHours":17.575648067194443,"endHours":18.015932391414733,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:20","end":"19:05","startHours":17.325648067194443,"endHours":19.075648067194443,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:56","end":"00:39","startHours":23.940008717174734,"endHours":24.644463635927195,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"07:01","end":"08:20","startHours":7.008824285907483,"endHours":8.329677258568353,"quality":"auspicious"},{"name":"Roga","start":"08:20","end":"09:39","startHours":8.329677258568353,"endHours":9.650530231229222,"quality":"inauspicious"},{"name":"Udveg","start":"09:39","end":"10:58","startHours":9.650530231229222,"endHours":10.971383203890094,"quality":"inauspicious"},{"name":"Chala","start":"10:58","end":"12:18","startHours":10.971383203890094,"endHours":12.292236176550963,"quality":"neutral"},{"name":"Labha","start":"12:18","end":"13:37","startHours":12.292236176550963,"endHours":13.613089149211833,"quality":"auspicious"},{"name":"Amṛta","start":"13:37","end":"14:56","startHours":13.613089149211833,"endHours":14.933942121872704,"quality":"auspicious"},{"name":"Kāla","start":"14:56","end":"16:15","startHours":14.933942121872704,"endHours":16.254795094533574,"quality":"inauspicious"},{"name":"Śubha","start":"16:15","end":"17:35","startHours":16.254795094533574,"endHours":17.575648067194443,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"17:35","end":"19:15","startHours":17.575648067194443,"endHours":19.254795094533574,"quality":"auspicious"},{"name":"Kāla","start":"19:15","end":"20:56","startHours":19.254795094533574,"endHours":20.933942121872704,"quality":"inauspicious"},{"name":"Śubha","start":"20:56","end":"22:37","startHours":20.933942121872704,"endHours":22.61308914921183,"quality":"auspicious"},{"name":"Roga","start":"22:37","end":"00:18","startHours":22.61308914921183,"endHours":24.292236176550965,"quality":"inauspicious"},{"name":"Udveg","start":"00:18","end":"01:58","startHours":24.292236176550965,"endHours":25.971383203890092,"quality":"inauspicious"},{"name":"Chala","start":"01:58","end":"03:39","startHours":25.971383203890092,"endHours":27.650530231229222,"quality":"neutral"},{"name":"Labha","start":"03:39","end":"05:20","startHours":27.650530231229222,"endHours":29.329677258568353,"quality":"auspicious"},{"name":"Amṛta","start":"05:20","end":"07:01","startHours":29.329677258568353,"endHours":31.008824285907483,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"07:01","end":"08:01","startHours":7.008824285907483,"endHours":8.008824285907483,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"08:01","end":"09:01","startHours":8.008824285907483,"endHours":9.008824285907483,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"09:01","end":"10:01","startHours":9.008824285907483,"endHours":10.008824285907483,"planetary_lord":"Moon"},{"name":"Hora 4","start":"10:01","end":"11:01","startHours":10.008824285907483,"endHours":11.008824285907483,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"11:01","end":"12:01","startHours":11.008824285907483,"endHours":12.008824285907483,"planetary_lord":"Venus"},{"name":"Hora 6","start":"12:01","end":"13:01","startHours":12.008824285907483,"endHours":13.008824285907483,"planetary_lord":"Sun"},{"name":"Hora 7","start":"13:01","end":"14:01","startHours":13.008824285907483,"endHours":14.008824285907483,"planetary_lord":"Mars"},{"name":"Hora 8","start":"14:01","end":"15:01","startHours":14.008824285907483,"endHours":15.008824285907483,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"15:01","end":"16:01","startHours":15.008824285907483,"endHours":16.008824285907483,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"16:01","end":"17:01","startHours":16.008824285907483,"endHours":17.008824285907483,"planetary_lord":"Moon"},{"name":"Hora 11","start":"17:01","end":"18:01","startHours":17.008824285907483,"endHours":18.008824285907483,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"18:01","end":"19:01","startHours":18.008824285907483,"endHours":19.008824285907483,"planetary_lord":"Venus"},{"name":"Hora 13","start":"19:01","end":"20:01","startHours":19.008824285907483,"endHours":20.008824285907483,"planetary_lord":"Sun"},{"name":"Hora 14","start":"20:01","end":"21:01","startHours":20.008824285907483,"endHours":21.008824285907483,"planetary_lord":"Mars"},{"name":"Hora 15","start":"21:01","end":"22:01","startHours":21.008824285907483,"endHours":22.008824285907483,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"22:01","end":"23:01","startHours":22.008824285907483,"endHours":23.008824285907483,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"23:01","end":"00:01","startHours":23.008824285907483,"endHours":24.008824285907483,"planetary_lord":"Moon"},{"name":"Hora 18","start":"00:01","end":"01:01","startHours":24.008824285907483,"endHours":25.008824285907483,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"01:01","end":"02:01","startHours":25.008824285907483,"endHours":26.008824285907483,"planetary_lord":"Venus"},{"name":"Hora 20","start":"02:01","end":"03:01","startHours":26.008824285907483,"endHours":27.008824285907483,"planetary_lord":"Sun"},{"name":"Hora 21","start":"03:01","end":"04:01","startHours":27.008824285907483,"endHours":28.008824285907483,"planetary_lord":"Mars"},{"name":"Hora 22","start":"04:01","end":"05:01","startHours":28.008824285907483,"endHours":29.008824285907483,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"05:01","end":"06:01","startHours":29.008824285907483,"endHours":30.008824285907483,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"06:01","end":"07:01","startHours":30.008824285907483,"endHours":31.008824285907483,"planetary_lord":"Moon"}],"taraBala":{"favorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Hasta","Citrā","Svātī","Viśākhā","Anurādhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Mithuna","Karka","Tulā","Vṛścika","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Kanyā","Dhanu","Kumbha"]},"dishaShool":"South (Dakṣiṇa)","chandraVasa":"South-East","rahuVasa":"North-West","anandadiYoga":{"name":"Vajra","quality":"Inauspicious"},"tropicalRitu":"Hemanta (Pre-winter)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-23.434917551625315,"eotMinutes":1.382629406942221,"ayanamsa":24.104}},"calendars":{"vikram_samvat":2074,"vikram_samvatsara":"Sādhāraṇa","saka_samvat":1939,"saka_samvatsara":"Hemalambī","bengali_samvat":1424,"malayalam_era":1193,"nanakshahi_year":548,"lunar_month":"Pauṣa","lunar_month_paksha_full":"Pauṣa Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Pauṣa","lunar_month_amanta":"Pauṣa","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Dhanus (Mārgaḻi)","ritu":"Hemanta (Pre-winter)","display_summary":"Pauṣa Śukla Tṛtīyā · Vikram 2074 Sādhāraṇa · Śaka 1939 Hemalambī"},"festivals":[],"todays_walk":{"walk":{"id":"guru-walk","name":"Bṛhaspati Walk","name_sanskrit":"गुरु यात्रा","type":"graha","description":"Wisdom transmission + BG 4.34.","step_count":8,"url":"/walk/guru-walk"},"reason":"Guruvāra (Thursday) — its presiding graha's walk."},"cosmic_resonances":[]},"validity":{"eternal":false,"location_specific":"dubai"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga December 21, 2017 CE · Dubai, UAE · Vidhyamitra","description":"December 21, 2017 CE for Dubai, UAE: Śukla Tṛtīyā, sūryodaya 07:01, sūryāsta 17:35.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/dubai/2017-12-21","hreflang_alternates":{"en":"https://vidhyamitra.com/city/dubai/2017-12-21","sa":"https://sa.vidhyamitra.com/city/dubai/2017-12-21","hi":"https://hi.vidhyamitra.com/city/dubai/2017-12-21","x-default":"https://vidhyamitra.com/city/dubai/2017-12-21"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-08-10T11:37:17.079Z","verification":{"type":"multi-marker","confidence":"canonical"}},{"pillar":"Vidhyamitra-Tier2","pillar_version":"0.1.0","method":"Spherical astronomy + Lahiri ayanamsa + standard solar declination + EoT correction","retrieved_at":"2026-08-10T11:37:17.079Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-08-10T11:37:17.079Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"},"reader_local_antaryami":{"reader_geography":"Every reader enters from their own kṣetra anywhere on Bhūmi; no single city is the universal center.","purna_chain":["Goloka/Vraja Rādhā-Krishna","Vaikuṇṭha Lakṣmī-Nārāyaṇa","Mahāviṣṇu/Kāraṇodakaśāyī Viṣṇu","Garbhodakaśāyī Viṣṇu","Brahmā","Kṣīrodaka Paramātmā/Antaryāmī (Kṣīrodakaśāyī Viṣṇu)","Bhūmi","reader's own kṣetra anywhere on Bhūmi","exact reading kṣetra","reader-bhakta","chitta/vāṇī/aṅgulī","keyboard-silicon-pathways","Vidhyāmitra substrate","reader/seer","Krishna"],"antaryami_responsibility_formula":"Kṣīrodakaśāyī Viṣṇu = Paramātmā = Antaryāmī. Jīva desires. Prakṛti executes through guṇas. Paramātmā witnesses, permits, remembers, guides, and sustains. Bhagavān is the ultimate source.","source_anchors":[{"label":"BG 13.23","path":"/bhagavad-gita/13/23","meaning":"upadraṣṭā-anumantā · witness-permitter"},{"label":"BG 15.15","path":"/bhagavad-gita/15/15","meaning":"the Lord seated in every heart as memory, knowledge, and forgetting"},{"label":"BG 18.61","path":"/bhagavad-gita/18/61","meaning":"Īśvara seated in the heart of all beings"}],"nama_seal":"Hare Krishna Hare Krishna · Krishna Krishna Hare Hare · Hare Rama Hare Rama · Rama Rama Hare Hare"}}}