{"id":"vidhyamitra:city-day:howrah:2015-12-29:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/howrah/2015-12-29","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2015-12-29","date_display":"December 29, 2015 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":2015,"month":12,"day":29,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2457385.770833,"kali_year":5117,"ahargana":1868920.2708,"sun":{"sidereal_longitude":252.5983,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":117.568,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":19,"name":"Caturthī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturthī","elongation_degrees":224.9698,"elapsed_within_tithi_degrees":8.9698},"nakshatra":{"number":9,"name":"Āśleṣā","pada":4,"moon_longitude":117.568,"elapsed_within_degrees":10.9014},"yoga":{"number":1,"name":"Viṣkambha","sum_longitude":10.1663},"karana":{"half_tithi_index":37,"name":"Bālava"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"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":2015,"month":12,"day":29,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2457385.770833,"ahargana":1868920.2708,"kali_year":5117,"ayanamsa_lahiri":24.0764,"grahas":{"sun":{"sidereal_longitude":252.90235000000007,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":4},"retrograde":false},"moon":{"sidereal_longitude":116.61545000000001,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":3},"retrograde":false,"latitude":-2.7713},"mars":{"sidereal_longitude":182.60085000000004,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":272.46025,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":148.26675,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1},"retrograde":false},"venus":{"sidereal_longitude":214.16854999999998,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":226.51784999999995,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":155.6102,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":335.6102,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","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":2015,"month":12,"day":29,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2457385.770833,"kali_year":5117,"ahargana":1868920.2708,"sun":{"sidereal_longitude":252.5983,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":117.568,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":19,"name":"Caturthī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturthī","elongation_degrees":224.9698,"elapsed_within_tithi_degrees":8.9698},"nakshatra":{"number":9,"name":"Āśleṣā","pada":4,"moon_longitude":117.568,"elapsed_within_degrees":10.9014},"yoga":{"number":1,"name":"Viṣkambha","sum_longitude":10.1663},"karana":{"half_tithi_index":37,"name":"Bālava"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-2.771,"elongation":135.03},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-2.771,"opposition_distance":44.97}},"eclipse_window_40days":[]},"city":{"slug":"howrah","name":"Howrah, West Bengal","lat":22.5958,"lon":88.2636,"tz_offset_hours":5.5,"state":"West Bengal","country":"IN","tier":"tier-1"},"tier2":{"city":{"slug":"howrah","name":"Howrah, West Bengal","lat":22.5958,"lon":88.2636,"tz_offset_hours":5.5,"state":"West Bengal","country":"IN","tier":"tier-1"},"sunriseLocal":"06:17","sunsetLocal":"17:02","solarNoonLocal":"11:39","dayLengthHours":10.759364610919633,"dayLengthDisplay":"10 Hours 45 Mins 34 Secs","nightLengthDisplay":"13 Hours 14 Mins 26 Secs","moonriseLocal":"20:07","moonsetLocal":"09:02","rahuKala":{"name":"Rāhu Kāla","start":"14:21","end":"15:41","startHours":14.344714093472735,"endHours":15.689634669837691,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"08:58","end":"10:19","startHours":8.965031788012919,"endHours":10.309952364377875,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"11:39","end":"13:00","startHours":11.654872940742827,"endHours":12.999793517107783,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:47","end":"09:09","startHours":8.785709044497592,"endHours":9.144354531528247,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:43","end":"07:01","startHours":6.72349749407133,"endHours":7.010413883695853,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:18","end":"12:01","startHours":11.296227453712172,"endHours":12.013518427773482,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:50","end":"05:33","startHours":4.840608687160394,"endHours":5.557899661221702,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:23","end":"06:17","startHours":5.378576917706376,"endHours":6.275190635283011,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:27","end":"14:10","startHours":13.4481003758961,"endHours":14.165391349957408,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"16:50","end":"17:14","startHours":16.834555246202644,"endHours":17.234555246202643,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:02","end":"17:29","startHours":17.034555246202643,"endHours":17.48286210499096,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"16:47","end":"18:32","startHours":16.784555246202643,"endHours":18.534555246202643,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:18","end":"00:01","startHours":23.296227453712174,"endHours":24.01351842777348,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"06:17","end":"07:37","startHours":6.275190635283011,"endHours":7.6201112116479655,"quality":"inauspicious"},{"name":"Udveg","start":"07:37","end":"08:58","startHours":7.6201112116479655,"endHours":8.965031788012919,"quality":"inauspicious"},{"name":"Chala","start":"08:58","end":"10:19","startHours":8.965031788012919,"endHours":10.309952364377875,"quality":"neutral"},{"name":"Labha","start":"10:19","end":"11:39","startHours":10.309952364377875,"endHours":11.654872940742827,"quality":"auspicious"},{"name":"Amṛta","start":"11:39","end":"13:00","startHours":11.654872940742827,"endHours":12.999793517107783,"quality":"auspicious"},{"name":"Kāla","start":"13:00","end":"14:21","startHours":12.999793517107783,"endHours":14.344714093472735,"quality":"inauspicious"},{"name":"Śubha","start":"14:21","end":"15:41","startHours":14.344714093472735,"endHours":15.689634669837691,"quality":"auspicious"},{"name":"Roga","start":"15:41","end":"17:02","startHours":15.689634669837691,"endHours":17.034555246202643,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"17:02","end":"18:41","startHours":17.034555246202643,"endHours":18.689634669837687,"quality":"inauspicious"},{"name":"Śubha","start":"18:41","end":"20:21","startHours":18.689634669837687,"endHours":20.344714093472735,"quality":"auspicious"},{"name":"Roga","start":"20:21","end":"22:00","startHours":20.344714093472735,"endHours":21.999793517107783,"quality":"inauspicious"},{"name":"Udveg","start":"22:00","end":"23:39","startHours":21.999793517107783,"endHours":23.654872940742827,"quality":"inauspicious"},{"name":"Chala","start":"23:39","end":"01:19","startHours":23.654872940742827,"endHours":25.30995236437787,"quality":"neutral"},{"name":"Labha","start":"01:19","end":"02:58","startHours":25.30995236437787,"endHours":26.96503178801292,"quality":"auspicious"},{"name":"Amṛta","start":"02:58","end":"04:37","startHours":26.96503178801292,"endHours":28.620111211647966,"quality":"auspicious"},{"name":"Kāla","start":"04:37","end":"06:17","startHours":28.620111211647966,"endHours":30.27519063528301,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:17","end":"07:17","startHours":6.275190635283011,"endHours":7.275190635283011,"planetary_lord":"Mars"},{"name":"Hora 2","start":"07:17","end":"08:17","startHours":7.275190635283011,"endHours":8.27519063528301,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"08:17","end":"09:17","startHours":8.27519063528301,"endHours":9.27519063528301,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"09:17","end":"10:17","startHours":9.27519063528301,"endHours":10.27519063528301,"planetary_lord":"Moon"},{"name":"Hora 5","start":"10:17","end":"11:17","startHours":10.27519063528301,"endHours":11.27519063528301,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"11:17","end":"12:17","startHours":11.27519063528301,"endHours":12.27519063528301,"planetary_lord":"Venus"},{"name":"Hora 7","start":"12:17","end":"13:17","startHours":12.27519063528301,"endHours":13.27519063528301,"planetary_lord":"Sun"},{"name":"Hora 8","start":"13:17","end":"14:17","startHours":13.27519063528301,"endHours":14.27519063528301,"planetary_lord":"Mars"},{"name":"Hora 9","start":"14:17","end":"15:17","startHours":14.27519063528301,"endHours":15.27519063528301,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"15:17","end":"16:17","startHours":15.27519063528301,"endHours":16.27519063528301,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"16:17","end":"17:17","startHours":16.27519063528301,"endHours":17.27519063528301,"planetary_lord":"Moon"},{"name":"Hora 12","start":"17:17","end":"18:17","startHours":17.27519063528301,"endHours":18.27519063528301,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"18:17","end":"19:17","startHours":18.27519063528301,"endHours":19.27519063528301,"planetary_lord":"Venus"},{"name":"Hora 14","start":"19:17","end":"20:17","startHours":19.27519063528301,"endHours":20.27519063528301,"planetary_lord":"Sun"},{"name":"Hora 15","start":"20:17","end":"21:17","startHours":20.27519063528301,"endHours":21.27519063528301,"planetary_lord":"Mars"},{"name":"Hora 16","start":"21:17","end":"22:17","startHours":21.27519063528301,"endHours":22.27519063528301,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"22:17","end":"23:17","startHours":22.27519063528301,"endHours":23.27519063528301,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"23:17","end":"00:17","startHours":23.27519063528301,"endHours":24.27519063528301,"planetary_lord":"Moon"},{"name":"Hora 19","start":"00:17","end":"01:17","startHours":24.27519063528301,"endHours":25.27519063528301,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"01:17","end":"02:17","startHours":25.27519063528301,"endHours":26.27519063528301,"planetary_lord":"Venus"},{"name":"Hora 21","start":"02:17","end":"03:17","startHours":26.27519063528301,"endHours":27.27519063528301,"planetary_lord":"Sun"},{"name":"Hora 22","start":"03:17","end":"04:17","startHours":27.27519063528301,"endHours":28.27519063528301,"planetary_lord":"Mars"},{"name":"Hora 23","start":"04:17","end":"05:17","startHours":28.27519063528301,"endHours":29.27519063528301,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"05:17","end":"06:17","startHours":29.27519063528301,"endHours":30.27519063528301,"planetary_lord":"Saturn"}],"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":"North (Uttara)","chandraVasa":"South-West","rahuVasa":"North","anandadiYoga":{"name":"Mṛtyu","quality":"Inauspicious"},"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":-23.252613990862727,"eotMinutes":-2.3467764445695645,"ayanamsa":24.0764}},"calendars":{"vikram_samvat":2072,"vikram_samvatsara":"Kīlaka","saka_samvat":1937,"saka_samvatsara":"Manmatha","bengali_samvat":1422,"malayalam_era":1191,"nanakshahi_year":546,"lunar_month":"Pauṣa","lunar_month_paksha_full":"Pauṣa Kṛṣṇa Pakṣa","solar_month":"Dhanus (Mārgaḻi)","ritu":"Hemanta (Pre-winter)","display_summary":"Pauṣa Kṛṣṇa Caturthī · Vikram 2072 Kīlaka · Śaka 1937 Manmatha"},"festivals":[{"id":"angarika-chaturthi","name":"Aṅgāraka Caturthī (Tuesday Caturthī)","name_sanskrit":"अङ्गारक चतुर्थी","tradition":"Pan-Hindu","associated_deity":"Gaṇeśa + Maṅgala","significance":"Tuesday-Caturthī (rare); supremely auspicious for Maṅgala-doṣa-nivāraṇa.","vrata":true,"detection":{"any_of":[{"tithi_number":4,"vara_name":"Maṅgalavāra (Tuesday)"},{"tithi_number":19,"vara_name":"Maṅgalavāra (Tuesday)"}]},"precedence":3},{"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},{"id":"sankashti-chaturthi","name":"Saṅkaṣṭī Caturthī","name_sanskrit":"सङ्कष्टी चतुर्थी","tradition":"Pan-Hindu","associated_deity":"Gaṇeśa","significance":"Monthly Gaṇeśa vrata.","vrata":true,"detection":{"tithi_number":19,"tithi_paksha":"Kṛṣṇa"},"precedence":6}],"todays_walk":{"walk":{"id":"mangala-walk","name":"Maṅgala Walk","name_sanskrit":"मङ्गल यात्रा","type":"graha","description":"Right action + BG 2.31-38 (kṣatriya-dharma).","step_count":7,"url":"/walk/mangala-walk"},"reason":"Maṅgalavāra (Tuesday) — its presiding graha's walk."},"cosmic_resonances":[]},"validity":{"eternal":false,"location_specific":"howrah"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga December 29, 2015 CE · Howrah, West Bengal · Vidhyamitra","description":"December 29, 2015 CE for Howrah, West Bengal: Kṛṣṇa Caturthī, sūryodaya 06:17, sūryāsta 17:02.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/howrah/2015-12-29","hreflang_alternates":{"en":"https://vidhyamitra.com/city/howrah/2015-12-29","sa":"https://sa.vidhyamitra.com/city/howrah/2015-12-29","hi":"https://hi.vidhyamitra.com/city/howrah/2015-12-29","x-default":"https://vidhyamitra.com/city/howrah/2015-12-29"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-15T20:06:28.375Z","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":"2026-05-15T20:06:28.375Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-15T20:06:28.375Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}