{"id":"vidhyamitra:city-day:howrah:2017-01-29:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/howrah/2017-01-29","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2017-01-29","date_display":"January 29, 2017 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":2017,"month":1,"day":29,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2457782.770833,"kali_year":5118,"ahargana":1869317.2708,"sun":{"sidereal_longitude":285.1838,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":297.0816,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":1,"name":"Pratipada","paksha":"Śukla","full_name":"Śukla Pratipada","elongation_degrees":11.8978,"elapsed_within_tithi_degrees":11.8978},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":2,"moon_longitude":297.0816,"elapsed_within_degrees":3.7483},"yoga":{"number":17,"name":"Vyatīpāta","sum_longitude":222.2653},"karana":{"half_tithi_index":1,"name":"Bava"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"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":2017,"month":1,"day":29,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2457782.770833,"ahargana":1869317.2708,"kali_year":5118,"ayanamsa_lahiri":24.0916,"grahas":{"sun":{"sidereal_longitude":285.2269819999999,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2},"retrograde":false},"moon":{"sidereal_longitude":297.5693819999999,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":2},"retrograde":false,"latitude":1.3514},"mars":{"sidereal_longitude":336.249482,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":262.49138199999993,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":178.44788199999994,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":2},"retrograde":false},"venus":{"sidereal_longitude":331.0140819999999,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":240.05098199999998,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":134.5752,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":314.5752,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","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":2017,"month":1,"day":29,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2457782.770833,"kali_year":5118,"ahargana":1869317.2708,"sun":{"sidereal_longitude":285.1838,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":297.0816,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":1,"name":"Pratipada","paksha":"Śukla","full_name":"Śukla Pratipada","elongation_degrees":11.8978,"elapsed_within_tithi_degrees":11.8978},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":2,"moon_longitude":297.0816,"elapsed_within_degrees":3.7483},"yoga":{"number":17,"name":"Vyatīpāta","sum_longitude":222.2653},"karana":{"half_tithi_index":1,"name":"Bava"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":1.351,"elongation":11.898},"lunar":{"type":"lunar","occurs":false,"moon_latitude":1.351,"opposition_distance":168.102}},"eclipse_window_40days":[{"offset_days":13,"type":"lunar","occurs":true,"moon_latitude":-1.052,"opposition_distance":1.908}]},"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":"17:23","solarNoonLocal":"11:50","dayLengthHours":11.096161043917059,"dayLengthDisplay":"11 Hours 05 Mins 46 Secs","nightLengthDisplay":"12 Hours 54 Mins 14 Secs","moonriseLocal":"07:01","moonsetLocal":"18:18","rahuKala":{"name":"Rāhu Kāla","start":"16:00","end":"17:23","startHours":15.996355757680801,"endHours":17.383375888170434,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"11:50","end":"13:13","startHours":11.835295366211906,"endHours":13.222315496701537,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"14:37","end":"16:00","startHours":14.60933562719117,"endHours":15.996355757680801,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:53","end":"09:15","startHours":8.876319087834023,"endHours":9.246191122631258,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:45","end":"07:03","startHours":6.74955488774992,"endHours":7.045452515587708,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:28","end":"12:12","startHours":11.46542333141467,"endHours":12.205167401009138,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:48","end":"05:33","startHours":4.807726705064434,"endHours":5.547470774658905,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:22","end":"06:17","startHours":5.362534757260287,"endHours":6.287214844253375,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:41","end":"14:25","startHours":13.684655540198081,"endHours":14.424399609792552,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:11","end":"17:35","startHours":17.183375888170435,"endHours":17.583375888170433,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:23","end":"17:51","startHours":17.383375888170434,"endHours":17.845715931666977,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:08","end":"18:53","startHours":17.133375888170434,"endHours":18.883375888170434,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:28","end":"00:12","startHours":23.465423331414666,"endHours":24.205167401009138,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"06:17","end":"07:40","startHours":6.287214844253375,"endHours":7.674234974743007,"quality":"inauspicious"},{"name":"Chala","start":"07:40","end":"09:04","startHours":7.674234974743007,"endHours":9.06125510523264,"quality":"neutral"},{"name":"Labha","start":"09:04","end":"10:27","startHours":9.06125510523264,"endHours":10.448275235722273,"quality":"auspicious"},{"name":"Amṛta","start":"10:27","end":"11:50","startHours":10.448275235722273,"endHours":11.835295366211906,"quality":"auspicious"},{"name":"Kāla","start":"11:50","end":"13:13","startHours":11.835295366211906,"endHours":13.222315496701537,"quality":"inauspicious"},{"name":"Śubha","start":"13:13","end":"14:37","startHours":13.222315496701537,"endHours":14.60933562719117,"quality":"auspicious"},{"name":"Roga","start":"14:37","end":"16:00","startHours":14.60933562719117,"endHours":15.996355757680801,"quality":"inauspicious"},{"name":"Udveg","start":"16:00","end":"17:23","startHours":15.996355757680801,"endHours":17.383375888170434,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"17:23","end":"19:00","startHours":17.383375888170434,"endHours":18.996355757680803,"quality":"auspicious"},{"name":"Roga","start":"19:00","end":"20:37","startHours":18.996355757680803,"endHours":20.609335627191168,"quality":"inauspicious"},{"name":"Udveg","start":"20:37","end":"22:13","startHours":20.609335627191168,"endHours":22.222315496701537,"quality":"inauspicious"},{"name":"Chala","start":"22:13","end":"23:50","startHours":22.222315496701537,"endHours":23.835295366211906,"quality":"neutral"},{"name":"Labha","start":"23:50","end":"01:27","startHours":23.835295366211906,"endHours":25.44827523572227,"quality":"auspicious"},{"name":"Amṛta","start":"01:27","end":"03:04","startHours":25.44827523572227,"endHours":27.06125510523264,"quality":"auspicious"},{"name":"Kāla","start":"03:04","end":"04:40","startHours":27.06125510523264,"endHours":28.67423497474301,"quality":"inauspicious"},{"name":"Śubha","start":"04:40","end":"06:17","startHours":28.67423497474301,"endHours":30.287214844253377,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:17","end":"07:17","startHours":6.287214844253375,"endHours":7.287214844253375,"planetary_lord":"Sun"},{"name":"Hora 2","start":"07:17","end":"08:17","startHours":7.287214844253375,"endHours":8.287214844253375,"planetary_lord":"Mars"},{"name":"Hora 3","start":"08:17","end":"09:17","startHours":8.287214844253375,"endHours":9.287214844253375,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"09:17","end":"10:17","startHours":9.287214844253375,"endHours":10.287214844253375,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"10:17","end":"11:17","startHours":10.287214844253375,"endHours":11.287214844253375,"planetary_lord":"Moon"},{"name":"Hora 6","start":"11:17","end":"12:17","startHours":11.287214844253375,"endHours":12.287214844253375,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"12:17","end":"13:17","startHours":12.287214844253375,"endHours":13.287214844253375,"planetary_lord":"Venus"},{"name":"Hora 8","start":"13:17","end":"14:17","startHours":13.287214844253375,"endHours":14.287214844253375,"planetary_lord":"Sun"},{"name":"Hora 9","start":"14:17","end":"15:17","startHours":14.287214844253375,"endHours":15.287214844253375,"planetary_lord":"Mars"},{"name":"Hora 10","start":"15:17","end":"16:17","startHours":15.287214844253375,"endHours":16.287214844253377,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"16:17","end":"17:17","startHours":16.287214844253377,"endHours":17.287214844253377,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"17:17","end":"18:17","startHours":17.287214844253377,"endHours":18.287214844253377,"planetary_lord":"Moon"},{"name":"Hora 13","start":"18:17","end":"19:17","startHours":18.287214844253377,"endHours":19.287214844253377,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"19:17","end":"20:17","startHours":19.287214844253377,"endHours":20.287214844253377,"planetary_lord":"Venus"},{"name":"Hora 15","start":"20:17","end":"21:17","startHours":20.287214844253377,"endHours":21.287214844253377,"planetary_lord":"Sun"},{"name":"Hora 16","start":"21:17","end":"22:17","startHours":21.287214844253377,"endHours":22.287214844253377,"planetary_lord":"Mars"},{"name":"Hora 17","start":"22:17","end":"23:17","startHours":22.287214844253377,"endHours":23.287214844253377,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"23:17","end":"00:17","startHours":23.287214844253377,"endHours":24.287214844253377,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"00:17","end":"01:17","startHours":24.287214844253377,"endHours":25.287214844253377,"planetary_lord":"Moon"},{"name":"Hora 20","start":"01:17","end":"02:17","startHours":25.287214844253377,"endHours":26.287214844253377,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"02:17","end":"03:17","startHours":26.287214844253377,"endHours":27.287214844253377,"planetary_lord":"Venus"},{"name":"Hora 22","start":"03:17","end":"04:17","startHours":27.287214844253377,"endHours":28.287214844253377,"planetary_lord":"Sun"},{"name":"Hora 23","start":"04:17","end":"05:17","startHours":28.287214844253377,"endHours":29.287214844253377,"planetary_lord":"Mars"},{"name":"Hora 24","start":"05:17","end":"06:17","startHours":29.287214844253377,"endHours":30.287214844253377,"planetary_lord":"Jupiter"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Maghā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Mithuna","Karka","Tulā","Vṛścika","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Kanyā","Dhanu","Kumbha"]},"dishaShool":"West (Paścim)","chandraVasa":"South-East","rahuVasa":"North-East","anandadiYoga":{"name":"Gada","quality":"Inauspicious"},"drikRitu":"Śiśira (Winter) (Drik)","vedicRitu":"Hemanta (Pre-winter)","drikAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":-17.92065553022994,"eotMinutes":-13.172121972714217,"ayanamsa":24.0916}},"calendars":{"vikram_samvat":2074,"vikram_samvatsara":"Sādhāraṇa","saka_samvat":1939,"saka_samvatsara":"Hemalambī","bengali_samvat":1424,"malayalam_era":1193,"nanakshahi_year":548,"lunar_month":"Māgha","lunar_month_paksha_full":"Māgha Śukla Pakṣa","solar_month":"Makara (Tai)","ritu":"Śiśira (Winter)","display_summary":"Māgha Śukla Pratipada · Vikram 2074 Sādhāraṇa · Śaka 1939 Hemalambī"},"festivals":[{"id":"makara-sankranti","name":"Makara Saṅkrānti (Uttarāyaṇa)","name_sanskrit":"मकर सङ्क्रान्ति","tradition":"Pan-Hindu","associated_deity":"Sūrya Bhagavān","significance":"Sun enters Capricorn; Uttarāyaṇa (north-going) begins. Bhīṣma's chosen mahaprasthāna time.","vrata":true,"detection":{"sun_rashi":"Makara"},"precedence":1,"sources":["Mahābhārata Bhīṣma-Stuti","Sūrya-Siddhānta"]},{"id":"pongal","name":"Pongal / Thai Pongal","name_sanskrit":"पोङ्गल","tradition":"Regional","associated_deity":"Sūrya Bhagavān","significance":"Tamil 4-day harvest festival; coincides with Makara Saṅkrānti.","vrata":false,"detection":{"sun_rashi":"Makara"},"precedence":2},{"id":"magha-gupta-navratri-start","name":"Māgha Gupta Navrātri Start","name_sanskrit":"माघ गुप्त नवरात्रि आरम्भ","tradition":"Shakta","associated_deity":"Devī (10 Mahāvidyās)","significance":"Hidden (gupta) Navrātri for advanced sādhanā of 10 Mahāvidyās.","vrata":true,"detection":{"tithi_number":1,"tithi_paksha":"Śukla","lunar_month":"Māgha"},"precedence":3}],"todays_walk":{"walk":{"id":"surya-walk","name":"Sūrya Walk","name_sanskrit":"सूर्य यात्रा","type":"graha","description":"Self-illumination + BG 4.1 (Sun-lineage of Gītā transmission).","step_count":6,"url":"/walk/surya-walk"},"reason":"Ravivāra (Sunday) — 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 January 29, 2017 CE · Howrah, West Bengal · Vidhyamitra","description":"January 29, 2017 CE for Howrah, West Bengal: Śukla Pratipada, sūryodaya 06:17, sūryāsta 17:23.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/howrah/2017-01-29","hreflang_alternates":{"en":"https://vidhyamitra.com/city/howrah/2017-01-29","sa":"https://sa.vidhyamitra.com/city/howrah/2017-01-29","hi":"https://hi.vidhyamitra.com/city/howrah/2017-01-29","x-default":"https://vidhyamitra.com/city/howrah/2017-01-29"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-15T08:39:22.374Z","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":"2026-05-15T08:39:22.374Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-15T08:39:22.374Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}