{"id":"vidhyamitra:city-day:dwarka:2173-01-20:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/dwarka/2173-01-20","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2173-01-20","date_display":"January 20, 2173 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":2173,"month":1,"day":20,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2514751.770833,"kali_year":5274,"ahargana":1926286.2708,"sun":{"sidereal_longitude":273.5366,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":350.7261,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":7,"name":"Saptamī","paksha":"Śukla","full_name":"Śukla Saptamī","elongation_degrees":77.1895,"elapsed_within_tithi_degrees":5.1895},"nakshatra":{"number":27,"name":"Revatī","pada":2,"moon_longitude":350.7261,"elapsed_within_degrees":4.0595},"yoga":{"number":20,"name":"Śiva","sum_longitude":264.2627},"karana":{"half_tithi_index":12,"name":"Gara"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"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":2173,"month":1,"day":20,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2514751.770833,"ahargana":1926286.2708,"kali_year":5274,"ayanamsa_lahiri":26.2704,"grahas":{"sun":{"sidereal_longitude":274.031347,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":354.126447,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":3},"retrograde":false,"latitude":-0.4197},"mars":{"sidereal_longitude":309.84634700000004,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":287.446547,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":223.77474700000005,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":4},"retrograde":false},"venus":{"sidereal_longitude":267.156747,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":328.89114700000005,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":356.0834,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":176.0834,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":1},"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":2173,"month":1,"day":20,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2514751.770833,"kali_year":5274,"ahargana":1926286.2708,"sun":{"sidereal_longitude":273.5366,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":350.7261,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":7,"name":"Saptamī","paksha":"Śukla","full_name":"Śukla Saptamī","elongation_degrees":77.1895,"elapsed_within_tithi_degrees":5.1895},"nakshatra":{"number":27,"name":"Revatī","pada":2,"moon_longitude":350.7261,"elapsed_within_degrees":4.0595},"yoga":{"number":20,"name":"Śiva","sum_longitude":264.2627},"karana":{"half_tithi_index":12,"name":"Gara"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-0.42,"elongation":77.19},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-0.42,"opposition_distance":102.81}},"eclipse_window_40days":[]},"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":10.982637730380375,"dayLengthDisplay":"10 Hours 58 Mins 57 Secs","nightLengthDisplay":"13 Hours 01 Mins 03 Secs","moonriseLocal":"12:10","moonsetLocal":"00:41","rahuKala":{"name":"Rāhu Kāla","start":"13:05","end":"14:27","startHours":13.084831722287156,"endHours":14.4576614385847,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"08:58","end":"10:20","startHours":8.966342573394513,"endHours":10.339172289692062,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"11:43","end":"13:05","startHours":11.712002005989607,"endHours":13.084831722287156,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"10:09","end":"10:31","startHours":10.156128327519054,"endHours":10.522216251865068,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"08:03","end":"08:21","startHours":8.051122762529483,"endHours":8.343993102006293,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:43","end":"13:27","startHours":12.718743797941142,"endHours":13.450919646633169,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"06:08","end":"06:52","startHours":6.129161159712917,"endHours":6.861337008404942,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:41","end":"07:36","startHours":6.678293046231936,"endHours":7.593512857096967,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:55","end":"15:39","startHours":14.915271344017217,"endHours":15.647447192709242,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:23","end":"18:47","startHours":18.376150587477344,"endHours":18.776150587477343,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:35","end":"19:02","startHours":18.576150587477343,"endHours":19.03376049290986,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:20","end":"20:05","startHours":18.326150587477343,"endHours":20.076150587477343,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:43","end":"01:27","startHours":24.718743797941144,"endHours":25.450919646633167,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Labha","start":"07:36","end":"08:58","startHours":7.593512857096967,"endHours":8.966342573394513,"quality":"auspicious"},{"name":"Amṛta","start":"08:58","end":"10:20","startHours":8.966342573394513,"endHours":10.339172289692062,"quality":"auspicious"},{"name":"Kāla","start":"10:20","end":"11:43","startHours":10.339172289692062,"endHours":11.712002005989607,"quality":"inauspicious"},{"name":"Śubha","start":"11:43","end":"13:05","startHours":11.712002005989607,"endHours":13.084831722287156,"quality":"auspicious"},{"name":"Roga","start":"13:05","end":"14:27","startHours":13.084831722287156,"endHours":14.4576614385847,"quality":"inauspicious"},{"name":"Udveg","start":"14:27","end":"15:50","startHours":14.4576614385847,"endHours":15.83049115488225,"quality":"inauspicious"},{"name":"Chala","start":"15:50","end":"17:12","startHours":15.83049115488225,"endHours":17.203320871179795,"quality":"neutral"},{"name":"Labha","start":"17:12","end":"18:35","startHours":17.203320871179795,"endHours":18.576150587477343,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Udveg","start":"18:35","end":"20:12","startHours":18.576150587477343,"endHours":20.2033208711798,"quality":"inauspicious"},{"name":"Chala","start":"20:12","end":"21:50","startHours":20.2033208711798,"endHours":21.83049115488225,"quality":"neutral"},{"name":"Labha","start":"21:50","end":"23:27","startHours":21.83049115488225,"endHours":23.4576614385847,"quality":"auspicious"},{"name":"Amṛta","start":"23:27","end":"01:05","startHours":23.4576614385847,"endHours":25.084831722287156,"quality":"auspicious"},{"name":"Kāla","start":"01:05","end":"02:43","startHours":25.084831722287156,"endHours":26.71200200598961,"quality":"inauspicious"},{"name":"Śubha","start":"02:43","end":"04:20","startHours":26.71200200598961,"endHours":28.339172289692062,"quality":"auspicious"},{"name":"Roga","start":"04:20","end":"05:58","startHours":28.339172289692062,"endHours":29.966342573394513,"quality":"inauspicious"},{"name":"Udveg","start":"05:58","end":"07:36","startHours":29.966342573394513,"endHours":31.593512857096968,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"07:36","end":"08:36","startHours":7.593512857096967,"endHours":8.593512857096968,"planetary_lord":"Mercury"},{"name":"Hora 2","start":"08:36","end":"09:36","startHours":8.593512857096968,"endHours":9.593512857096968,"planetary_lord":"Venus"},{"name":"Hora 3","start":"09:36","end":"10:36","startHours":9.593512857096968,"endHours":10.593512857096968,"planetary_lord":"Sun"},{"name":"Hora 4","start":"10:36","end":"11:36","startHours":10.593512857096968,"endHours":11.593512857096968,"planetary_lord":"Mars"},{"name":"Hora 5","start":"11:36","end":"12:36","startHours":11.593512857096968,"endHours":12.593512857096968,"planetary_lord":"Jupiter"},{"name":"Hora 6","start":"12:36","end":"13:36","startHours":12.593512857096968,"endHours":13.593512857096968,"planetary_lord":"Saturn"},{"name":"Hora 7","start":"13:36","end":"14:36","startHours":13.593512857096968,"endHours":14.593512857096968,"planetary_lord":"Moon"},{"name":"Hora 8","start":"14:36","end":"15:36","startHours":14.593512857096968,"endHours":15.593512857096968,"planetary_lord":"Mercury"},{"name":"Hora 9","start":"15:36","end":"16:36","startHours":15.593512857096968,"endHours":16.593512857096968,"planetary_lord":"Venus"},{"name":"Hora 10","start":"16:36","end":"17:36","startHours":16.593512857096968,"endHours":17.593512857096968,"planetary_lord":"Sun"},{"name":"Hora 11","start":"17:36","end":"18:36","startHours":17.593512857096968,"endHours":18.593512857096968,"planetary_lord":"Mars"},{"name":"Hora 12","start":"18:36","end":"19:36","startHours":18.593512857096968,"endHours":19.593512857096968,"planetary_lord":"Jupiter"},{"name":"Hora 13","start":"19:36","end":"20:36","startHours":19.593512857096968,"endHours":20.593512857096968,"planetary_lord":"Saturn"},{"name":"Hora 14","start":"20:36","end":"21:36","startHours":20.593512857096968,"endHours":21.593512857096968,"planetary_lord":"Moon"},{"name":"Hora 15","start":"21:36","end":"22:36","startHours":21.593512857096968,"endHours":22.593512857096968,"planetary_lord":"Mercury"},{"name":"Hora 16","start":"22:36","end":"23:36","startHours":22.593512857096968,"endHours":23.593512857096968,"planetary_lord":"Venus"},{"name":"Hora 17","start":"23:36","end":"00:36","startHours":23.593512857096968,"endHours":24.593512857096968,"planetary_lord":"Sun"},{"name":"Hora 18","start":"00:36","end":"01:36","startHours":24.593512857096968,"endHours":25.593512857096968,"planetary_lord":"Mars"},{"name":"Hora 19","start":"01:36","end":"02:36","startHours":25.593512857096968,"endHours":26.593512857096968,"planetary_lord":"Jupiter"},{"name":"Hora 20","start":"02:36","end":"03:36","startHours":26.593512857096968,"endHours":27.593512857096968,"planetary_lord":"Saturn"},{"name":"Hora 21","start":"03:36","end":"04:36","startHours":27.593512857096968,"endHours":28.593512857096968,"planetary_lord":"Moon"},{"name":"Hora 22","start":"04:36","end":"05:36","startHours":28.593512857096968,"endHours":29.593512857096968,"planetary_lord":"Mercury"},{"name":"Hora 23","start":"05:36","end":"06:36","startHours":29.593512857096968,"endHours":30.593512857096968,"planetary_lord":"Venus"},{"name":"Hora 24","start":"06:36","end":"07:36","startHours":30.593512857096968,"endHours":31.593512857096968,"planetary_lord":"Sun"}],"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":"North (Uttara)","chandraVasa":"South-West","rahuVasa":"South-West","anandadiYoga":{"name":"Chatra","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":-20.083809786317016,"eotMinutes":-10.9643033372293,"ayanamsa":26.2704}},"calendars":{"vikram_samvat":2230,"vikram_samvatsara":"Vyaya","saka_samvat":2095,"saka_samvatsara":"Śrīmukha","bengali_samvat":1580,"malayalam_era":1349,"nanakshahi_year":704,"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 2230 Vyaya · Śaka 2095 Śrīmukha"},"festivals":[],"todays_walk":{"walk":{"id":"budha-walk","name":"Budha Walk","name_sanskrit":"बुध यात्रा","type":"graha","description":"Discrimination + BG 2.41 (vyavasāyātmikā buddhi).","step_count":6,"url":"/walk/budha-walk"},"reason":"Budhavāra (Wednesday) — 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 20, 2173 CE · Dvārakā · Vidhyamitra","description":"January 20, 2173 CE for Dvārakā: Śukla Saptamī, sūryodaya 07:36, sūryāsta 18:35.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/dwarka/2173-01-20","hreflang_alternates":{"en":"https://vidhyamitra.com/city/dwarka/2173-01-20","sa":"https://sa.vidhyamitra.com/city/dwarka/2173-01-20","hi":"https://hi.vidhyamitra.com/city/dwarka/2173-01-20","x-default":"https://vidhyamitra.com/city/dwarka/2173-01-20"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T19:19:41.036Z","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":"2026-05-31T19:19:41.036Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T19:19:41.036Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}