{"id":"vidhyamitra:city-day:dwarka:1983-01-21:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/dwarka/1983-01-21","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1983-01-21","date_display":"January 21, 1983 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":"Sub-degree on Moon at any Kali-Yuga date (~2-5° residual max)","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":1983,"month":1,"day":21,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2445355.770833,"kali_year":5084,"ahargana":1856890.2708,"sun":{"sidereal_longitude":276.7823,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":356.412,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":7,"name":"Saptamī","paksha":"Śukla","full_name":"Śukla Saptamī","elongation_degrees":79.6297,"elapsed_within_tithi_degrees":7.6297},"nakshatra":{"number":27,"name":"Revatī","pada":3,"moon_longitude":356.412,"elapsed_within_degrees":9.7453},"yoga":{"number":21,"name":"Siddha","sum_longitude":273.1943},"karana":{"half_tithi_index":13,"name":"Vaṇija"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"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":1983,"month":1,"day":21,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2445355.770833,"ahargana":1856890.2708,"kali_year":5084,"ayanamsa_lahiri":23.6163,"grahas":{"sun":{"sidereal_longitude":276.807684,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":352.545684,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":2},"retrograde":false,"latitude":-4.3773},"mars":{"sidereal_longitude":309.368384,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":266.094784,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":4},"retrograde":true},"jupiter":{"sidereal_longitude":221.96858399999996,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":3},"retrograde":false},"venus":{"sidereal_longitude":295.78428400000007,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":190.05738399999996,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":73.0175,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":253.0175,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":4},"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":"Sub-degree on Moon at any Kali-Yuga date (~2-5° residual max)","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":1983,"month":1,"day":21,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2445355.770833,"kali_year":5084,"ahargana":1856890.2708,"sun":{"sidereal_longitude":276.7823,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":356.412,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":7,"name":"Saptamī","paksha":"Śukla","full_name":"Śukla Saptamī","elongation_degrees":79.6297,"elapsed_within_tithi_degrees":7.6297},"nakshatra":{"number":27,"name":"Revatī","pada":3,"moon_longitude":356.412,"elapsed_within_degrees":9.7453},"yoga":{"number":21,"name":"Siddha","sum_longitude":273.1943},"karana":{"half_tithi_index":13,"name":"Vaṇija"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.377,"elongation":79.63},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.377,"opposition_distance":100.37}},"eclipse_window_40days":[{"offset_days":-7,"type":"solar","occurs":true,"moon_latitude":-1.179,"elongation":1.007}]},"city":{"slug":"dwarka","name":"Dvārakā","lat":22.2393,"lon":68.9686,"tz_offset_hours":5.5,"state":"Gujarat","country":"IN","tier":"tirtha"},"tier2":{"city":{"slug":"dwarka","name":"Dvārakā","lat":22.2393,"lon":68.9686,"tz_offset_hours":5.5,"state":"Gujarat","country":"IN","tier":"tirtha"},"sunriseLocal":"07:36","sunsetLocal":"18:35","solarNoonLocal":"13:05","dayLengthHours":10.984247499628822,"dayLengthDisplay":"10 Hours 59 Mins 03 Secs","nightLengthDisplay":"13 Hours 00 Mins 57 Secs","moonriseLocal":"11:55","moonsetLocal":"00:21","rahuKala":{"name":"Rāhu Kāla","start":"11:43","end":"13:05","startHours":11.716657916698601,"endHours":13.089688854152204,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"15:50","end":"17:13","startHours":15.83575072905941,"endHours":17.208781666513012,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"08:58","end":"10:21","startHours":8.970596041791396,"endHours":10.343626979244998,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"10:10","end":"10:32","startHours":10.160556187584518,"endHours":10.526697770905479,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"08:03","end":"08:21","startHours":8.055242083488993,"endHours":8.348155350145761,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:43","end":"13:27","startHours":12.723547270831244,"endHours":13.455830437473164,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"06:08","end":"06:52","startHours":6.13299877105395,"endHours":6.865281937695872,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:41","end":"07:36","startHours":6.6822111460353915,"endHours":7.597565104337793,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:55","end":"15:39","startHours":14.920396770757009,"endHours":15.652679937398931,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:23","end":"18:47","startHours":18.381812603966615,"endHours":18.781812603966614,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:35","end":"19:02","startHours":18.581812603966615,"endHours":19.039489583117817,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:20","end":"20:05","startHours":18.331812603966615,"endHours":20.081812603966615,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:43","end":"01:27","startHours":24.723547270831244,"endHours":25.455830437473164,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"07:36","end":"08:58","startHours":7.597565104337793,"endHours":8.970596041791396,"quality":"neutral"},{"name":"Labha","start":"08:58","end":"10:21","startHours":8.970596041791396,"endHours":10.343626979244998,"quality":"auspicious"},{"name":"Amṛta","start":"10:21","end":"11:43","startHours":10.343626979244998,"endHours":11.716657916698601,"quality":"auspicious"},{"name":"Kāla","start":"11:43","end":"13:05","startHours":11.716657916698601,"endHours":13.089688854152204,"quality":"inauspicious"},{"name":"Śubha","start":"13:05","end":"14:28","startHours":13.089688854152204,"endHours":14.462719791605807,"quality":"auspicious"},{"name":"Roga","start":"14:28","end":"15:50","startHours":14.462719791605807,"endHours":15.83575072905941,"quality":"inauspicious"},{"name":"Udveg","start":"15:50","end":"17:13","startHours":15.83575072905941,"endHours":17.208781666513012,"quality":"inauspicious"},{"name":"Chala","start":"17:13","end":"18:35","startHours":17.208781666513012,"endHours":18.581812603966615,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"18:35","end":"20:13","startHours":18.581812603966615,"endHours":20.208781666513012,"quality":"inauspicious"},{"name":"Udveg","start":"20:13","end":"21:50","startHours":20.208781666513012,"endHours":21.83575072905941,"quality":"inauspicious"},{"name":"Chala","start":"21:50","end":"23:28","startHours":21.83575072905941,"endHours":23.462719791605807,"quality":"neutral"},{"name":"Labha","start":"23:28","end":"01:05","startHours":23.462719791605807,"endHours":25.089688854152204,"quality":"auspicious"},{"name":"Amṛta","start":"01:05","end":"02:43","startHours":25.089688854152204,"endHours":26.7166579166986,"quality":"auspicious"},{"name":"Kāla","start":"02:43","end":"04:21","startHours":26.7166579166986,"endHours":28.343626979245,"quality":"inauspicious"},{"name":"Śubha","start":"04:21","end":"05:58","startHours":28.343626979245,"endHours":29.970596041791396,"quality":"auspicious"},{"name":"Roga","start":"05:58","end":"07:36","startHours":29.970596041791396,"endHours":31.597565104337793,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"07:36","end":"08:36","startHours":7.597565104337793,"endHours":8.597565104337793,"planetary_lord":"Venus"},{"name":"Hora 2","start":"08:36","end":"09:36","startHours":8.597565104337793,"endHours":9.597565104337793,"planetary_lord":"Sun"},{"name":"Hora 3","start":"09:36","end":"10:36","startHours":9.597565104337793,"endHours":10.597565104337793,"planetary_lord":"Mars"},{"name":"Hora 4","start":"10:36","end":"11:36","startHours":10.597565104337793,"endHours":11.597565104337793,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"11:36","end":"12:36","startHours":11.597565104337793,"endHours":12.597565104337793,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"12:36","end":"13:36","startHours":12.597565104337793,"endHours":13.597565104337793,"planetary_lord":"Moon"},{"name":"Hora 7","start":"13:36","end":"14:36","startHours":13.597565104337793,"endHours":14.597565104337793,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"14:36","end":"15:36","startHours":14.597565104337793,"endHours":15.597565104337793,"planetary_lord":"Venus"},{"name":"Hora 9","start":"15:36","end":"16:36","startHours":15.597565104337793,"endHours":16.597565104337793,"planetary_lord":"Sun"},{"name":"Hora 10","start":"16:36","end":"17:36","startHours":16.597565104337793,"endHours":17.597565104337793,"planetary_lord":"Mars"},{"name":"Hora 11","start":"17:36","end":"18:36","startHours":17.597565104337793,"endHours":18.597565104337793,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"18:36","end":"19:36","startHours":18.597565104337793,"endHours":19.597565104337793,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"19:36","end":"20:36","startHours":19.597565104337793,"endHours":20.597565104337793,"planetary_lord":"Moon"},{"name":"Hora 14","start":"20:36","end":"21:36","startHours":20.597565104337793,"endHours":21.597565104337793,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"21:36","end":"22:36","startHours":21.597565104337793,"endHours":22.597565104337793,"planetary_lord":"Venus"},{"name":"Hora 16","start":"22:36","end":"23:36","startHours":22.597565104337793,"endHours":23.597565104337793,"planetary_lord":"Sun"},{"name":"Hora 17","start":"23:36","end":"00:36","startHours":23.597565104337793,"endHours":24.597565104337793,"planetary_lord":"Mars"},{"name":"Hora 18","start":"00:36","end":"01:36","startHours":24.597565104337793,"endHours":25.597565104337793,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"01:36","end":"02:36","startHours":25.597565104337793,"endHours":26.597565104337793,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"02:36","end":"03:36","startHours":26.597565104337793,"endHours":27.597565104337793,"planetary_lord":"Moon"},{"name":"Hora 21","start":"03:36","end":"04:36","startHours":27.597565104337793,"endHours":28.597565104337793,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"04:36","end":"05:36","startHours":28.597565104337793,"endHours":29.597565104337793,"planetary_lord":"Venus"},{"name":"Hora 23","start":"05:36","end":"06:36","startHours":29.597565104337793,"endHours":30.597565104337793,"planetary_lord":"Sun"},{"name":"Hora 24","start":"06:36","end":"07:36","startHours":30.597565104337793,"endHours":31.597565104337793,"planetary_lord":"Mars"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"unfavorable_nakshatras":["Ārdrā","Punarvasu","Puṣya","Aśleṣā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Siṃha","Kanyā","Dhanu","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Mithuna","Karka","Tulā","Vṛścika","Kumbha"]},"dishaShool":"West (Paścim)","chandraVasa":"South-West","rahuVasa":"South-East","anandadiYoga":{"name":"Siddhi","quality":"Auspicious"},"tropicalRitu":"Śiśira (Winter) (tropical)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-20.05764587284043,"eotMinutes":-11.255731249132124,"ayanamsa":23.6163}},"calendars":{"vikram_samvat":2040,"vikram_samvatsara":"Dhātṛ","saka_samvat":1905,"saka_samvatsara":"Rudhirodgāri","bengali_samvat":1390,"malayalam_era":1159,"nanakshahi_year":514,"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":"Makara (Tai)","ritu":"Hemanta (Pre-winter)","display_summary":"Pauṣa Śukla Saptamī · Vikram 2040 Dhātṛ · Śaka 1905 Rudhirodgāri"},"festivals":[],"todays_walk":{"walk":{"id":"shukra-walk","name":"Śukra Walk","name_sanskrit":"शुक्र यात्रा","type":"graha","description":"Beauty + creativity in dharma + BG 10.36.","step_count":5,"url":"/walk/shukra-walk"},"reason":"Śukravāra (Friday) — its presiding graha's walk."},"cosmic_resonances":[]},"validity":{"eternal":false,"location_specific":"dwarka"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga January 21, 1983 CE · Dvārakā · Vidhyamitra","description":"January 21, 1983 CE for Dvārakā: Śukla Saptamī, sūryodaya 07:36, sūryāsta 18:35.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/dwarka/1983-01-21","hreflang_alternates":{"en":"https://vidhyamitra.com/city/dwarka/1983-01-21","sa":"https://sa.vidhyamitra.com/city/dwarka/1983-01-21","hi":"https://hi.vidhyamitra.com/city/dwarka/1983-01-21","x-default":"https://vidhyamitra.com/city/dwarka/1983-01-21"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-02T06:51:17.033Z","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":"2026-06-02T06:51:17.033Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-02T06:51:17.033Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}