{"id":"vidhyamitra:city-day:thane:2001-12-22:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/thane/2001-12-22","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2001-12-22","date_display":"December 22, 2001 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":2001,"month":12,"day":22,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2452265.770833,"kali_year":5103,"ahargana":1863800.2708,"sun":{"sidereal_longitude":246.0441,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":328.984,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":7,"name":"Saptamī","paksha":"Śukla","full_name":"Śukla Saptamī","elongation_degrees":82.9399,"elapsed_within_tithi_degrees":10.9399},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":3,"moon_longitude":328.984,"elapsed_within_degrees":8.984},"yoga":{"number":17,"name":"Vyatīpāta","sum_longitude":215.0282},"karana":{"half_tithi_index":13,"name":"Vaṇija"},"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":2001,"month":12,"day":22,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2452265.770833,"ahargana":1863800.2708,"kali_year":5103,"ayanamsa_lahiri":23.8806,"grahas":{"sun":{"sidereal_longitude":246.37287200000003,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":2},"retrograde":false},"moon":{"sidereal_longitude":327.27627200000006,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":3},"retrograde":false,"latitude":-4.4571},"mars":{"sidereal_longitude":315.714472,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":256.00187200000005,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":78.01887199999999,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":4},"retrograde":true},"venus":{"sidereal_longitude":240.75957199999993,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":46.02667200000002,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":2},"retrograde":true},"rahu":{"sidereal_longitude":66.8924,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":246.8924,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","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":2001,"month":12,"day":22,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2452265.770833,"kali_year":5103,"ahargana":1863800.2708,"sun":{"sidereal_longitude":246.0441,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":328.984,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":7,"name":"Saptamī","paksha":"Śukla","full_name":"Śukla Saptamī","elongation_degrees":82.9399,"elapsed_within_tithi_degrees":10.9399},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":3,"moon_longitude":328.984,"elapsed_within_degrees":8.984},"yoga":{"number":17,"name":"Vyatīpāta","sum_longitude":215.0282},"karana":{"half_tithi_index":13,"name":"Vaṇija"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.457,"elongation":82.94},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.457,"opposition_distance":97.06}},"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":"07:08","sunsetLocal":"18:06","solarNoonLocal":"12:37","dayLengthHours":10.970666724369366,"dayLengthDisplay":"10 Hours 58 Mins 14 Secs","nightLengthDisplay":"13 Hours 01 Mins 46 Secs","moonriseLocal":"12:03","moonsetLocal":"23:58","rahuKala":{"name":"Rāhu Kāla","start":"09:53","end":"11:15","startHours":9.876909867248987,"endHours":11.248243207795156,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:59","end":"15:22","startHours":13.990909888887497,"endHours":15.36224322943367,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"07:08","end":"08:30","startHours":7.134243186156644,"endHours":8.505576526702814,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:42","end":"10:04","startHours":9.69406542184283,"endHours":10.059754312655143,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:35","end":"07:53","startHours":7.591354299672035,"endHours":7.883905412321885,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:15","end":"12:59","startHours":12.253887657529017,"endHours":12.98526543915364,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:40","end":"06:24","startHours":5.671487622907396,"endHours":6.40286540453202,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:13","end":"07:08","startHours":6.220020959125864,"endHours":7.134243186156644,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:27","end":"15:11","startHours":14.44802100240289,"endHours":15.179398784027514,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:54","end":"18:18","startHours":17.904909910526012,"endHours":18.30490991052601,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:06","end":"18:34","startHours":18.10490991052601,"endHours":18.5620210240414,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:51","end":"19:36","startHours":17.85490991052601,"endHours":19.60490991052601,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:15","end":"00:59","startHours":24.253887657529017,"endHours":24.98526543915364,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"07:08","end":"08:30","startHours":7.134243186156644,"endHours":8.505576526702814,"quality":"inauspicious"},{"name":"Śubha","start":"08:30","end":"09:53","startHours":8.505576526702814,"endHours":9.876909867248987,"quality":"auspicious"},{"name":"Roga","start":"09:53","end":"11:15","startHours":9.876909867248987,"endHours":11.248243207795156,"quality":"inauspicious"},{"name":"Udveg","start":"11:15","end":"12:37","startHours":11.248243207795156,"endHours":12.619576548341328,"quality":"inauspicious"},{"name":"Chala","start":"12:37","end":"13:59","startHours":12.619576548341328,"endHours":13.990909888887497,"quality":"neutral"},{"name":"Labha","start":"13:59","end":"15:22","startHours":13.990909888887497,"endHours":15.36224322943367,"quality":"auspicious"},{"name":"Amṛta","start":"15:22","end":"16:44","startHours":15.36224322943367,"endHours":16.73357656997984,"quality":"auspicious"},{"name":"Kāla","start":"16:44","end":"18:06","startHours":16.73357656997984,"endHours":18.10490991052601,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"18:06","end":"19:44","startHours":18.10490991052601,"endHours":19.73357656997984,"quality":"auspicious"},{"name":"Amṛta","start":"19:44","end":"21:22","startHours":19.73357656997984,"endHours":21.36224322943367,"quality":"auspicious"},{"name":"Kāla","start":"21:22","end":"22:59","startHours":21.36224322943367,"endHours":22.9909098888875,"quality":"inauspicious"},{"name":"Śubha","start":"22:59","end":"00:37","startHours":22.9909098888875,"endHours":24.61957654834133,"quality":"auspicious"},{"name":"Roga","start":"00:37","end":"02:15","startHours":24.61957654834133,"endHours":26.248243207795156,"quality":"inauspicious"},{"name":"Udveg","start":"02:15","end":"03:53","startHours":26.248243207795156,"endHours":27.876909867248987,"quality":"inauspicious"},{"name":"Chala","start":"03:53","end":"05:30","startHours":27.876909867248987,"endHours":29.505576526702818,"quality":"neutral"},{"name":"Labha","start":"05:30","end":"07:08","startHours":29.505576526702818,"endHours":31.134243186156645,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"07:08","end":"08:08","startHours":7.134243186156644,"endHours":8.134243186156645,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"08:08","end":"09:08","startHours":8.134243186156645,"endHours":9.134243186156645,"planetary_lord":"Moon"},{"name":"Hora 3","start":"09:08","end":"10:08","startHours":9.134243186156645,"endHours":10.134243186156645,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"10:08","end":"11:08","startHours":10.134243186156645,"endHours":11.134243186156645,"planetary_lord":"Venus"},{"name":"Hora 5","start":"11:08","end":"12:08","startHours":11.134243186156645,"endHours":12.134243186156645,"planetary_lord":"Sun"},{"name":"Hora 6","start":"12:08","end":"13:08","startHours":12.134243186156645,"endHours":13.134243186156645,"planetary_lord":"Mars"},{"name":"Hora 7","start":"13:08","end":"14:08","startHours":13.134243186156645,"endHours":14.134243186156645,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"14:08","end":"15:08","startHours":14.134243186156645,"endHours":15.134243186156645,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"15:08","end":"16:08","startHours":15.134243186156645,"endHours":16.134243186156645,"planetary_lord":"Moon"},{"name":"Hora 10","start":"16:08","end":"17:08","startHours":16.134243186156645,"endHours":17.134243186156645,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"17:08","end":"18:08","startHours":17.134243186156645,"endHours":18.134243186156645,"planetary_lord":"Venus"},{"name":"Hora 12","start":"18:08","end":"19:08","startHours":18.134243186156645,"endHours":19.134243186156645,"planetary_lord":"Sun"},{"name":"Hora 13","start":"19:08","end":"20:08","startHours":19.134243186156645,"endHours":20.134243186156645,"planetary_lord":"Mars"},{"name":"Hora 14","start":"20:08","end":"21:08","startHours":20.134243186156645,"endHours":21.134243186156645,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"21:08","end":"22:08","startHours":21.134243186156645,"endHours":22.134243186156645,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"22:08","end":"23:08","startHours":22.134243186156645,"endHours":23.134243186156645,"planetary_lord":"Moon"},{"name":"Hora 17","start":"23:08","end":"00:08","startHours":23.134243186156645,"endHours":24.134243186156645,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"00:08","end":"01:08","startHours":24.134243186156645,"endHours":25.134243186156645,"planetary_lord":"Venus"},{"name":"Hora 19","start":"01:08","end":"02:08","startHours":25.134243186156645,"endHours":26.134243186156645,"planetary_lord":"Sun"},{"name":"Hora 20","start":"02:08","end":"03:08","startHours":26.134243186156645,"endHours":27.134243186156645,"planetary_lord":"Mars"},{"name":"Hora 21","start":"03:08","end":"04:08","startHours":27.134243186156645,"endHours":28.134243186156645,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"04:08","end":"05:08","startHours":28.134243186156645,"endHours":29.134243186156645,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"05:08","end":"06:08","startHours":29.134243186156645,"endHours":30.134243186156645,"planetary_lord":"Moon"},{"name":"Hora 24","start":"06:08","end":"07:08","startHours":30.134243186156645,"endHours":31.134243186156645,"planetary_lord":"Mercury"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Hasta","Citrā","Svātī","Viśākhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Karka","Siṃha","Vṛścika","Dhanu","Kumbha"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Tulā","Makara","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"South","rahuVasa":"East","anandadiYoga":{"name":"Amṛta","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":-23.4362569528508,"eotMinutes":0.9130070995203906,"ayanamsa":23.8806}},"calendars":{"vikram_samvat":2058,"vikram_samvatsara":"Jaya","saka_samvat":1923,"saka_samvatsara":"Vṛṣa","bengali_samvat":1408,"malayalam_era":1177,"nanakshahi_year":532,"lunar_month":"Pauṣa","lunar_month_paksha_full":"Pauṣa Śukla Pakṣa","solar_month":"Dhanus (Mārgaḻi)","ritu":"Hemanta (Pre-winter)","display_summary":"Pauṣa Śukla Saptamī · Vikram 2058 Jaya · Śaka 1923 Vṛṣa"},"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":"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 December 22, 2001 CE · Thane, Maharashtra · Vidhyamitra","description":"December 22, 2001 CE for Thane, Maharashtra: Śukla Saptamī, sūryodaya 07:08, sūryāsta 18:06.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/thane/2001-12-22","hreflang_alternates":{"en":"https://vidhyamitra.com/city/thane/2001-12-22","sa":"https://sa.vidhyamitra.com/city/thane/2001-12-22","hi":"https://hi.vidhyamitra.com/city/thane/2001-12-22","x-default":"https://vidhyamitra.com/city/thane/2001-12-22"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-16T20:50:51.523Z","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":"2026-05-16T20:50:51.523Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-16T20:50:51.523Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}