{"id":"vidhyamitra:city-day:thane:1981-11-21:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/thane/1981-11-21","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1981-11-21","date_display":"November 21, 1981 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":1981,"month":11,"day":21,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444929.770833,"kali_year":5083,"ahargana":1856464.2708,"sun":{"sidereal_longitude":214.5127,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":150.4544,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":25,"name":"Daśamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Daśamī","elongation_degrees":295.9417,"elapsed_within_tithi_degrees":7.9417},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2,"moon_longitude":150.4544,"elapsed_within_degrees":3.7877},"yoga":{"number":1,"name":"Viṣkambha","sum_longitude":4.9671},"karana":{"half_tithi_index":49,"name":"Viṣṭi"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"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":1981,"month":11,"day":21,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2444929.770833,"ahargana":1856464.2708,"kali_year":5083,"ayanamsa_lahiri":23.6,"grahas":{"sun":{"sidereal_longitude":215.041561,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":153.54676100000006,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":3},"retrograde":false,"latitude":3.6789},"mars":{"sidereal_longitude":144.02876100000003,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":204.19956100000002,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":185.58576100000005,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":4},"retrograde":false},"venus":{"sidereal_longitude":262.03866100000005,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":174.265261,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":95.589,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":275.589,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":3},"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":1981,"month":11,"day":21,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444929.770833,"kali_year":5083,"ahargana":1856464.2708,"sun":{"sidereal_longitude":214.5127,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":150.4544,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":25,"name":"Daśamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Daśamī","elongation_degrees":295.9417,"elapsed_within_tithi_degrees":7.9417},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2,"moon_longitude":150.4544,"elapsed_within_degrees":3.7877},"yoga":{"number":1,"name":"Viṣkambha","sum_longitude":4.9671},"karana":{"half_tithi_index":49,"name":"Viṣṭi"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.679,"elongation":64.058},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.679,"opposition_distance":115.942}},"eclipse_window_40days":[]},"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":"06:50","sunsetLocal":"18:00","solarNoonLocal":"12:25","dayLengthHours":11.161735577573609,"dayLengthDisplay":"11 Hours 09 Mins 42 Secs","nightLengthDisplay":"12 Hours 50 Mins 18 Secs","moonriseLocal":"02:15","moonsetLocal":"14:23","rahuKala":{"name":"Rāhu Kāla","start":"09:37","end":"11:01","startHours":9.620532186411506,"endHours":11.015749133608207,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:48","end":"15:12","startHours":13.806183028001609,"endHours":15.20139997519831,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"06:50","end":"08:14","startHours":6.830098292018104,"endHours":8.225315239214805,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:26","end":"09:48","startHours":9.434503260118614,"endHours":9.8065611127044,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:18","end":"07:36","startHours":7.295170607750338,"endHours":7.592816889818967,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:02","end":"12:47","startHours":12.038908228219121,"endHours":12.783023933390695,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:21","end":"06:05","startHours":5.341866881674957,"endHours":6.08598258684653,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:54","end":"06:50","startHours":5.899953660553637,"endHours":6.830098292018104,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:16","end":"15:01","startHours":14.271255343733843,"endHours":15.015371048905417,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:48","end":"18:12","startHours":17.791833869591713,"endHours":18.19183386959171,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:00","end":"18:27","startHours":17.991833869591712,"endHours":18.456906185323945,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:45","end":"19:30","startHours":17.741833869591712,"endHours":19.491833869591712,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:02","end":"00:47","startHours":24.03890822821912,"endHours":24.783023933390695,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"06:50","end":"08:14","startHours":6.830098292018104,"endHours":8.225315239214805,"quality":"inauspicious"},{"name":"Śubha","start":"08:14","end":"09:37","startHours":8.225315239214805,"endHours":9.620532186411506,"quality":"auspicious"},{"name":"Roga","start":"09:37","end":"11:01","startHours":9.620532186411506,"endHours":11.015749133608207,"quality":"inauspicious"},{"name":"Udveg","start":"11:01","end":"12:25","startHours":11.015749133608207,"endHours":12.410966080804908,"quality":"inauspicious"},{"name":"Chala","start":"12:25","end":"13:48","startHours":12.410966080804908,"endHours":13.806183028001609,"quality":"neutral"},{"name":"Labha","start":"13:48","end":"15:12","startHours":13.806183028001609,"endHours":15.20139997519831,"quality":"auspicious"},{"name":"Amṛta","start":"15:12","end":"16:36","startHours":15.20139997519831,"endHours":16.59661692239501,"quality":"auspicious"},{"name":"Kāla","start":"16:36","end":"18:00","startHours":16.59661692239501,"endHours":17.991833869591712,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"18:00","end":"19:36","startHours":17.991833869591712,"endHours":19.59661692239501,"quality":"auspicious"},{"name":"Amṛta","start":"19:36","end":"21:12","startHours":19.59661692239501,"endHours":21.20139997519831,"quality":"auspicious"},{"name":"Kāla","start":"21:12","end":"22:48","startHours":21.20139997519831,"endHours":22.80618302800161,"quality":"inauspicious"},{"name":"Śubha","start":"22:48","end":"00:25","startHours":22.80618302800161,"endHours":24.410966080804908,"quality":"auspicious"},{"name":"Roga","start":"00:25","end":"02:01","startHours":24.410966080804908,"endHours":26.015749133608207,"quality":"inauspicious"},{"name":"Udveg","start":"02:01","end":"03:37","startHours":26.015749133608207,"endHours":27.620532186411506,"quality":"inauspicious"},{"name":"Chala","start":"03:37","end":"05:14","startHours":27.620532186411506,"endHours":29.225315239214805,"quality":"neutral"},{"name":"Labha","start":"05:14","end":"06:50","startHours":29.225315239214805,"endHours":30.830098292018103,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:50","end":"07:50","startHours":6.830098292018104,"endHours":7.830098292018104,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"07:50","end":"08:50","startHours":7.830098292018104,"endHours":8.830098292018103,"planetary_lord":"Moon"},{"name":"Hora 3","start":"08:50","end":"09:50","startHours":8.830098292018103,"endHours":9.830098292018103,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"09:50","end":"10:50","startHours":9.830098292018103,"endHours":10.830098292018103,"planetary_lord":"Venus"},{"name":"Hora 5","start":"10:50","end":"11:50","startHours":10.830098292018103,"endHours":11.830098292018103,"planetary_lord":"Sun"},{"name":"Hora 6","start":"11:50","end":"12:50","startHours":11.830098292018103,"endHours":12.830098292018103,"planetary_lord":"Mars"},{"name":"Hora 7","start":"12:50","end":"13:50","startHours":12.830098292018103,"endHours":13.830098292018103,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"13:50","end":"14:50","startHours":13.830098292018103,"endHours":14.830098292018103,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"14:50","end":"15:50","startHours":14.830098292018103,"endHours":15.830098292018103,"planetary_lord":"Moon"},{"name":"Hora 10","start":"15:50","end":"16:50","startHours":15.830098292018103,"endHours":16.830098292018103,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"16:50","end":"17:50","startHours":16.830098292018103,"endHours":17.830098292018103,"planetary_lord":"Venus"},{"name":"Hora 12","start":"17:50","end":"18:50","startHours":17.830098292018103,"endHours":18.830098292018103,"planetary_lord":"Sun"},{"name":"Hora 13","start":"18:50","end":"19:50","startHours":18.830098292018103,"endHours":19.830098292018103,"planetary_lord":"Mars"},{"name":"Hora 14","start":"19:50","end":"20:50","startHours":19.830098292018103,"endHours":20.830098292018103,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"20:50","end":"21:50","startHours":20.830098292018103,"endHours":21.830098292018103,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"21:50","end":"22:50","startHours":21.830098292018103,"endHours":22.830098292018103,"planetary_lord":"Moon"},{"name":"Hora 17","start":"22:50","end":"23:50","startHours":22.830098292018103,"endHours":23.830098292018103,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"23:50","end":"00:50","startHours":23.830098292018103,"endHours":24.830098292018103,"planetary_lord":"Venus"},{"name":"Hora 19","start":"00:50","end":"01:50","startHours":24.830098292018103,"endHours":25.830098292018103,"planetary_lord":"Sun"},{"name":"Hora 20","start":"01:50","end":"02:50","startHours":25.830098292018103,"endHours":26.830098292018103,"planetary_lord":"Mars"},{"name":"Hora 21","start":"02:50","end":"03:50","startHours":26.830098292018103,"endHours":27.830098292018103,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"03:50","end":"04:50","startHours":27.830098292018103,"endHours":28.830098292018103,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"04:50","end":"05:50","startHours":28.830098292018103,"endHours":29.830098292018103,"planetary_lord":"Moon"},{"name":"Hora 24","start":"05:50","end":"06:50","startHours":29.830098292018103,"endHours":30.830098292018103,"planetary_lord":"Mercury"}],"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","Kanyā","Vṛścika","Kumbha","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Tulā","Dhanu","Makara"]},"dishaShool":"East (Pūrva)","chandraVasa":"North-West","rahuVasa":"East","anandadiYoga":{"name":"Śrīvatsa","quality":"Auspicious"},"tropicalRitu":"Śarad (Autumn)","vedicRitu":"Śarad (Autumn)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-19.85464299718423,"eotMinutes":13.429635151705593,"ayanamsa":23.6}},"calendars":{"vikram_samvat":2038,"vikram_samvatsara":"Bhāva","saka_samvat":1903,"saka_samvatsara":"Durmati","bengali_samvat":1388,"malayalam_era":1157,"nanakshahi_year":512,"lunar_month":"Mārgaśīrṣa","lunar_month_paksha_full":"Mārgaśīrṣa Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Mārgaśīrṣa","lunar_month_amanta":"Kārtika","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Vṛścika (Kārttikai)","ritu":"Hemanta (Pre-winter)","display_summary":"Mārgaśīrṣa Kṛṣṇa Daśamī · Vikram 2038 Bhāva · Śaka 1903 Durmati"},"festivals":[],"todays_walk":{"walk":{"id":"shani-walk","name":"Śani Walk","name_sanskrit":"शनि यात्रा","type":"graha","description":"Tapas + endurance + BG 17.14-19.","step_count":7,"url":"/walk/shani-walk"},"reason":"Śanivāra (Saturday) — 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 November 21, 1981 CE · Thane, Maharashtra · Vidhyamitra","description":"November 21, 1981 CE for Thane, Maharashtra: Kṛṣṇa Daśamī, sūryodaya 06:50, sūryāsta 18:00.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/thane/1981-11-21","hreflang_alternates":{"en":"https://vidhyamitra.com/city/thane/1981-11-21","sa":"https://sa.vidhyamitra.com/city/thane/1981-11-21","hi":"https://hi.vidhyamitra.com/city/thane/1981-11-21","x-default":"https://vidhyamitra.com/city/thane/1981-11-21"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T00:53:37.156Z","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":"2026-05-31T00:53:37.156Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T00:53:37.156Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}