{"id":"vidhyamitra:city-day:thane:2020-01-13:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/thane/2020-01-13","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2020-01-13","date_display":"January 13, 2020 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":2020,"month":1,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2458861.770833,"kali_year":5121,"ahargana":1870396.2708,"sun":{"sidereal_longitude":267.9811,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":115.6764,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":18,"name":"Tṛtīyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Tṛtīyā","elongation_degrees":207.6953,"elapsed_within_tithi_degrees":3.6953},"nakshatra":{"number":9,"name":"Āśleṣā","pada":3,"moon_longitude":115.6764,"elapsed_within_degrees":9.0097},"yoga":{"number":2,"name":"Prīti","sum_longitude":23.6575},"karana":{"half_tithi_index":34,"name":"Vaṇija"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"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":2020,"month":1,"day":13,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2458861.770833,"ahargana":1870396.2708,"kali_year":5121,"ayanamsa_lahiri":24.1328,"grahas":{"sun":{"sidereal_longitude":268.16275599999994,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":117.96195599999999,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":4},"retrograde":false,"latitude":2.7855},"mars":{"sidereal_longitude":222.11165600000004,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":269.431656,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":255.32075600000007,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1},"retrograde":false},"venus":{"sidereal_longitude":304.68775600000004,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":268.635256,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":77.4046,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":257.4046,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","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":"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":2020,"month":1,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2458861.770833,"kali_year":5121,"ahargana":1870396.2708,"sun":{"sidereal_longitude":267.9811,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":115.6764,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":18,"name":"Tṛtīyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Tṛtīyā","elongation_degrees":207.6953,"elapsed_within_tithi_degrees":3.6953},"nakshatra":{"number":9,"name":"Āśleṣā","pada":3,"moon_longitude":115.6764,"elapsed_within_degrees":9.0097},"yoga":{"number":2,"name":"Prīti","sum_longitude":23.6575},"karana":{"half_tithi_index":34,"name":"Vaṇija"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":2.785,"elongation":152.305},"lunar":{"type":"lunar","occurs":false,"moon_latitude":2.785,"opposition_distance":27.695}},"eclipse_window_40days":[{"offset_days":-18,"type":"solar","occurs":true,"moon_latitude":0.726,"elongation":0.409},{"offset_days":-2,"type":"lunar","occurs":true,"moon_latitude":0.783,"opposition_distance":1.611}]},"city":{"slug":"thane","name":"Thane, Maharashtra","lat":19.2183,"lon":72.9781,"tz_offset_hours":5.5,"state":"Maharashtra","country":"IN","tier":"tier-1"},"tier2":{"city":{"slug":"thane","name":"Thane, Maharashtra","lat":19.2183,"lon":72.9781,"tz_offset_hours":5.5,"state":"Maharashtra","country":"IN","tier":"tier-1"},"sunriseLocal":"07:15","sunsetLocal":"18:19","solarNoonLocal":"12:47","dayLengthHours":11.070236843315726,"dayLengthDisplay":"11 Hours 04 Mins 13 Secs","nightLengthDisplay":"12 Hours 55 Mins 47 Secs","moonriseLocal":"20:23","moonsetLocal":"09:09","rahuKala":{"name":"Rāhu Kāla","start":"08:38","end":"10:01","startHours":8.627386708612832,"endHours":10.011166314027296,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"11:24","end":"12:47","startHours":11.394945919441763,"endHours":12.778725524856227,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"14:10","end":"15:33","startHours":14.162505130270695,"endHours":15.546284735685159,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:50","end":"10:12","startHours":9.8266623666387,"endHours":10.195670261415891,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:42","end":"08:00","startHours":7.704866971669854,"endHours":8.000073287491606,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:25","end":"13:09","startHours":12.409717630079037,"endHours":13.147733419633418,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:46","end":"06:30","startHours":5.767575524089602,"endHours":6.505591313643984,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:19","end":"07:15","startHours":6.321087366255388,"endHours":7.243607103198365,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:37","end":"15:22","startHours":14.623764998742182,"endHours":15.361780788296564,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:07","end":"18:31","startHours":18.11384394651409,"endHours":18.51384394651409,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:19","end":"18:47","startHours":18.31384394651409,"endHours":18.775103814985577,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:04","end":"19:49","startHours":18.06384394651409,"endHours":19.81384394651409,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:25","end":"01:09","startHours":24.409717630079037,"endHours":25.14773341963342,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"07:15","end":"08:38","startHours":7.243607103198365,"endHours":8.627386708612832,"quality":"auspicious"},{"name":"Kāla","start":"08:38","end":"10:01","startHours":8.627386708612832,"endHours":10.011166314027296,"quality":"inauspicious"},{"name":"Śubha","start":"10:01","end":"11:24","startHours":10.011166314027296,"endHours":11.394945919441763,"quality":"auspicious"},{"name":"Roga","start":"11:24","end":"12:47","startHours":11.394945919441763,"endHours":12.778725524856227,"quality":"inauspicious"},{"name":"Udveg","start":"12:47","end":"14:10","startHours":12.778725524856227,"endHours":14.162505130270695,"quality":"inauspicious"},{"name":"Chala","start":"14:10","end":"15:33","startHours":14.162505130270695,"endHours":15.546284735685159,"quality":"neutral"},{"name":"Labha","start":"15:33","end":"16:56","startHours":15.546284735685159,"endHours":16.930064341099627,"quality":"auspicious"},{"name":"Amṛta","start":"16:56","end":"18:19","startHours":16.930064341099627,"endHours":18.31384394651409,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"18:19","end":"19:56","startHours":18.31384394651409,"endHours":19.930064341099623,"quality":"neutral"},{"name":"Labha","start":"19:56","end":"21:33","startHours":19.930064341099623,"endHours":21.54628473568516,"quality":"auspicious"},{"name":"Amṛta","start":"21:33","end":"23:10","startHours":21.54628473568516,"endHours":23.162505130270695,"quality":"auspicious"},{"name":"Kāla","start":"23:10","end":"00:47","startHours":23.162505130270695,"endHours":24.778725524856227,"quality":"inauspicious"},{"name":"Śubha","start":"00:47","end":"02:24","startHours":24.778725524856227,"endHours":26.39494591944176,"quality":"auspicious"},{"name":"Roga","start":"02:24","end":"04:01","startHours":26.39494591944176,"endHours":28.011166314027296,"quality":"inauspicious"},{"name":"Udveg","start":"04:01","end":"05:38","startHours":28.011166314027296,"endHours":29.627386708612832,"quality":"inauspicious"},{"name":"Chala","start":"05:38","end":"07:15","startHours":29.627386708612832,"endHours":31.243607103198364,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"07:15","end":"08:15","startHours":7.243607103198365,"endHours":8.243607103198364,"planetary_lord":"Moon"},{"name":"Hora 2","start":"08:15","end":"09:15","startHours":8.243607103198364,"endHours":9.243607103198364,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"09:15","end":"10:15","startHours":9.243607103198364,"endHours":10.243607103198364,"planetary_lord":"Venus"},{"name":"Hora 4","start":"10:15","end":"11:15","startHours":10.243607103198364,"endHours":11.243607103198364,"planetary_lord":"Sun"},{"name":"Hora 5","start":"11:15","end":"12:15","startHours":11.243607103198364,"endHours":12.243607103198364,"planetary_lord":"Mars"},{"name":"Hora 6","start":"12:15","end":"13:15","startHours":12.243607103198364,"endHours":13.243607103198364,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"13:15","end":"14:15","startHours":13.243607103198364,"endHours":14.243607103198364,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"14:15","end":"15:15","startHours":14.243607103198364,"endHours":15.243607103198364,"planetary_lord":"Moon"},{"name":"Hora 9","start":"15:15","end":"16:15","startHours":15.243607103198364,"endHours":16.243607103198364,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"16:15","end":"17:15","startHours":16.243607103198364,"endHours":17.243607103198364,"planetary_lord":"Venus"},{"name":"Hora 11","start":"17:15","end":"18:15","startHours":17.243607103198364,"endHours":18.243607103198364,"planetary_lord":"Sun"},{"name":"Hora 12","start":"18:15","end":"19:15","startHours":18.243607103198364,"endHours":19.243607103198364,"planetary_lord":"Mars"},{"name":"Hora 13","start":"19:15","end":"20:15","startHours":19.243607103198364,"endHours":20.243607103198364,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"20:15","end":"21:15","startHours":20.243607103198364,"endHours":21.243607103198364,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"21:15","end":"22:15","startHours":21.243607103198364,"endHours":22.243607103198364,"planetary_lord":"Moon"},{"name":"Hora 16","start":"22:15","end":"23:15","startHours":22.243607103198364,"endHours":23.243607103198364,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"23:15","end":"00:15","startHours":23.243607103198364,"endHours":24.243607103198364,"planetary_lord":"Venus"},{"name":"Hora 18","start":"00:15","end":"01:15","startHours":24.243607103198364,"endHours":25.243607103198364,"planetary_lord":"Sun"},{"name":"Hora 19","start":"01:15","end":"02:15","startHours":25.243607103198364,"endHours":26.243607103198364,"planetary_lord":"Mars"},{"name":"Hora 20","start":"02:15","end":"03:15","startHours":26.243607103198364,"endHours":27.243607103198364,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"03:15","end":"04:15","startHours":27.243607103198364,"endHours":28.243607103198364,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"04:15","end":"05:15","startHours":28.243607103198364,"endHours":29.243607103198364,"planetary_lord":"Moon"},{"name":"Hora 23","start":"05:15","end":"06:15","startHours":29.243607103198364,"endHours":30.243607103198364,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"06:15","end":"07:15","startHours":30.243607103198364,"endHours":31.243607103198364,"planetary_lord":"Venus"}],"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":["Meṣa","Vṛṣabha","Karka","Kanyā","Dhanu","Makara"],"unfavorable_rashis":["Mithuna","Siṃha","Tulā","Vṛścika","Kumbha","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"South-West","rahuVasa":"North-East","anandadiYoga":{"name":"Mānasa","quality":"Auspicious"},"drikRitu":"Hemanta (Pre-winter) (Drik)","vedicRitu":"Hemanta (Pre-winter)","drikAyana":"Uttarāyaṇa","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":-21.592179643489665,"eotMinutes":-8.635931491373626,"ayanamsa":24.1328}},"calendars":{"vikram_samvat":2077,"vikram_samvatsara":"Pramādī","saka_samvat":1942,"saka_samvatsara":"Śārvarī","bengali_samvat":1427,"malayalam_era":1196,"nanakshahi_year":551,"lunar_month":"Pauṣa","lunar_month_paksha_full":"Pauṣa Kṛṣṇa Pakṣa","solar_month":"Dhanus (Mārgaḻi)","ritu":"Hemanta (Pre-winter)","display_summary":"Pauṣa Kṛṣṇa Tṛtīyā · Vikram 2077 Pramādī · Śaka 1942 Śārvarī"},"festivals":[{"id":"lohri","name":"Lohri","name_sanskrit":"लोहड़ी","tradition":"Regional","significance":"Punjab harvest festival; eve of Makara Saṅkrānti. (Approximated as 13/14 January annually; correct via Sun in Dhanu/Makara cusp.)","vrata":false,"detection":{"sun_rashi":"Dhanu"},"precedence":4},{"id":"dhanu-sankranti","name":"Dhanu Saṅkrānti","name_sanskrit":"धनु सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Sagittarius; Dhanu-māsa (Khara-māsa).","vrata":false,"detection":{"sun_rashi":"Dhanu"},"precedence":5}],"todays_walk":{"walk":{"id":"chandra-walk","name":"Candra Walk","name_sanskrit":"चन्द्र यात्रा","type":"graha","description":"Manas-control + BG 6.5-7.","step_count":5,"url":"/walk/chandra-walk"},"reason":"Somavāra (Monday) — its presiding graha's walk."},"cosmic_resonances":[]},"validity":{"eternal":false,"location_specific":"thane"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga January 13, 2020 CE · Thane, Maharashtra · Vidhyamitra","description":"January 13, 2020 CE for Thane, Maharashtra: Kṛṣṇa Tṛtīyā, sūryodaya 07:15, sūryāsta 18:19.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/thane/2020-01-13","hreflang_alternates":{"en":"https://vidhyamitra.com/city/thane/2020-01-13","sa":"https://sa.vidhyamitra.com/city/thane/2020-01-13","hi":"https://hi.vidhyamitra.com/city/thane/2020-01-13","x-default":"https://vidhyamitra.com/city/thane/2020-01-13"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-14T21:08:45.090Z","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":"2026-05-14T21:08:45.090Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-14T21:08:45.090Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}