{"id":"vidhyamitra:city-day:howrah:2166-01-07:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/howrah/2166-01-07","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2166-01-07","date_display":"January 7, 2166 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":2166,"month":1,"day":7,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2512181.770833,"kali_year":5267,"ahargana":1923716.2708,"sun":{"sidereal_longitude":259.9867,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":321.1808,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":6,"name":"Ṣaṣṭhī","paksha":"Śukla","full_name":"Śukla Ṣaṣṭhī","elongation_degrees":61.1941,"elapsed_within_tithi_degrees":1.1941},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":1,"moon_longitude":321.1808,"elapsed_within_degrees":1.1808},"yoga":{"number":17,"name":"Vyatīpāta","sum_longitude":221.1675},"karana":{"half_tithi_index":10,"name":"Kaulava"},"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":2166,"month":1,"day":7,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2512181.770833,"ahargana":1923716.2708,"kali_year":5267,"ayanamsa_lahiri":26.1721,"grahas":{"sun":{"sidereal_longitude":260.57924,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":323.66264,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":2},"retrograde":false,"latitude":-0.6975},"mars":{"sidereal_longitude":67.32373999999999,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":271.75374,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":357.46084,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":4},"retrograde":false},"venus":{"sidereal_longitude":215.73303999999996,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":253.55584,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":132.2544,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":312.2544,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","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":2166,"month":1,"day":7,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2512181.770833,"kali_year":5267,"ahargana":1923716.2708,"sun":{"sidereal_longitude":259.9867,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":321.1808,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":6,"name":"Ṣaṣṭhī","paksha":"Śukla","full_name":"Śukla Ṣaṣṭhī","elongation_degrees":61.1941,"elapsed_within_tithi_degrees":1.1941},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":1,"moon_longitude":321.1808,"elapsed_within_degrees":1.1808},"yoga":{"number":17,"name":"Vyatīpāta","sum_longitude":221.1675},"karana":{"half_tithi_index":10,"name":"Kaulava"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-0.698,"elongation":61.194},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-0.698,"opposition_distance":118.806}},"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":"06:19","sunsetLocal":"17:08","solarNoonLocal":"11:43","dayLengthHours":10.815806815306406,"dayLengthDisplay":"10 Hours 48 Mins 57 Secs","nightLengthDisplay":"13 Hours 11 Mins 03 Secs","moonriseLocal":"10:00","moonsetLocal":"21:51","rahuKala":{"name":"Rāhu Kāla","start":"14:25","end":"15:47","startHours":14.424579608950264,"endHours":15.776555460863564,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"09:01","end":"10:22","startHours":9.01667620129706,"endHours":10.368652053210361,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"11:43","end":"13:04","startHours":11.720627905123662,"endHours":13.072603757036962,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:50","end":"09:12","startHours":8.836412754375287,"endHours":9.196939648218834,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:46","end":"07:03","startHours":6.763383114774893,"endHours":7.05180462984973,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:22","end":"12:05","startHours":11.360101011280115,"endHours":12.081154798967209,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:52","end":"05:36","startHours":4.870616922096271,"endHours":5.591670709783365,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:25","end":"06:19","startHours":5.411407262861592,"endHours":6.312724497470459,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:31","end":"14:15","startHours":13.523262374341396,"endHours":14.24431616202849,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"16:56","end":"17:20","startHours":16.928531312776865,"endHours":17.328531312776864,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:08","end":"17:35","startHours":17.128531312776865,"endHours":17.5791899300813,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"16:53","end":"18:38","startHours":16.878531312776865,"endHours":18.628531312776865,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:22","end":"00:05","startHours":23.360101011280115,"endHours":24.081154798967212,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"06:19","end":"07:40","startHours":6.312724497470459,"endHours":7.664700349383759,"quality":"inauspicious"},{"name":"Udveg","start":"07:40","end":"09:01","startHours":7.664700349383759,"endHours":9.01667620129706,"quality":"inauspicious"},{"name":"Chala","start":"09:01","end":"10:22","startHours":9.01667620129706,"endHours":10.368652053210361,"quality":"neutral"},{"name":"Labha","start":"10:22","end":"11:43","startHours":10.368652053210361,"endHours":11.720627905123662,"quality":"auspicious"},{"name":"Amṛta","start":"11:43","end":"13:04","startHours":11.720627905123662,"endHours":13.072603757036962,"quality":"auspicious"},{"name":"Kāla","start":"13:04","end":"14:25","startHours":13.072603757036962,"endHours":14.424579608950264,"quality":"inauspicious"},{"name":"Śubha","start":"14:25","end":"15:47","startHours":14.424579608950264,"endHours":15.776555460863564,"quality":"auspicious"},{"name":"Roga","start":"15:47","end":"17:08","startHours":15.776555460863564,"endHours":17.128531312776865,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"17:08","end":"18:47","startHours":17.128531312776865,"endHours":18.776555460863563,"quality":"inauspicious"},{"name":"Śubha","start":"18:47","end":"20:25","startHours":18.776555460863563,"endHours":20.424579608950264,"quality":"auspicious"},{"name":"Roga","start":"20:25","end":"22:04","startHours":20.424579608950264,"endHours":22.072603757036962,"quality":"inauspicious"},{"name":"Udveg","start":"22:04","end":"23:43","startHours":22.072603757036962,"endHours":23.720627905123663,"quality":"inauspicious"},{"name":"Chala","start":"23:43","end":"01:22","startHours":23.720627905123663,"endHours":25.36865205321036,"quality":"neutral"},{"name":"Labha","start":"01:22","end":"03:01","startHours":25.36865205321036,"endHours":27.01667620129706,"quality":"auspicious"},{"name":"Amṛta","start":"03:01","end":"04:40","startHours":27.01667620129706,"endHours":28.664700349383757,"quality":"auspicious"},{"name":"Kāla","start":"04:40","end":"06:19","startHours":28.664700349383757,"endHours":30.31272449747046,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:19","end":"07:19","startHours":6.312724497470459,"endHours":7.312724497470459,"planetary_lord":"Mars"},{"name":"Hora 2","start":"07:19","end":"08:19","startHours":7.312724497470459,"endHours":8.312724497470459,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"08:19","end":"09:19","startHours":8.312724497470459,"endHours":9.312724497470459,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"09:19","end":"10:19","startHours":9.312724497470459,"endHours":10.312724497470459,"planetary_lord":"Moon"},{"name":"Hora 5","start":"10:19","end":"11:19","startHours":10.312724497470459,"endHours":11.312724497470459,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"11:19","end":"12:19","startHours":11.312724497470459,"endHours":12.312724497470459,"planetary_lord":"Venus"},{"name":"Hora 7","start":"12:19","end":"13:19","startHours":12.312724497470459,"endHours":13.312724497470459,"planetary_lord":"Sun"},{"name":"Hora 8","start":"13:19","end":"14:19","startHours":13.312724497470459,"endHours":14.312724497470459,"planetary_lord":"Mars"},{"name":"Hora 9","start":"14:19","end":"15:19","startHours":14.312724497470459,"endHours":15.312724497470459,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"15:19","end":"16:19","startHours":15.312724497470459,"endHours":16.31272449747046,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"16:19","end":"17:19","startHours":16.31272449747046,"endHours":17.31272449747046,"planetary_lord":"Moon"},{"name":"Hora 12","start":"17:19","end":"18:19","startHours":17.31272449747046,"endHours":18.31272449747046,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"18:19","end":"19:19","startHours":18.31272449747046,"endHours":19.31272449747046,"planetary_lord":"Venus"},{"name":"Hora 14","start":"19:19","end":"20:19","startHours":19.31272449747046,"endHours":20.31272449747046,"planetary_lord":"Sun"},{"name":"Hora 15","start":"20:19","end":"21:19","startHours":20.31272449747046,"endHours":21.31272449747046,"planetary_lord":"Mars"},{"name":"Hora 16","start":"21:19","end":"22:19","startHours":21.31272449747046,"endHours":22.31272449747046,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"22:19","end":"23:19","startHours":22.31272449747046,"endHours":23.31272449747046,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"23:19","end":"00:19","startHours":23.31272449747046,"endHours":24.31272449747046,"planetary_lord":"Moon"},{"name":"Hora 19","start":"00:19","end":"01:19","startHours":24.31272449747046,"endHours":25.31272449747046,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"01:19","end":"02:19","startHours":25.31272449747046,"endHours":26.31272449747046,"planetary_lord":"Venus"},{"name":"Hora 21","start":"02:19","end":"03:19","startHours":26.31272449747046,"endHours":27.31272449747046,"planetary_lord":"Sun"},{"name":"Hora 22","start":"03:19","end":"04:19","startHours":27.31272449747046,"endHours":28.31272449747046,"planetary_lord":"Mars"},{"name":"Hora 23","start":"04:19","end":"05:19","startHours":28.31272449747046,"endHours":29.31272449747046,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"05:19","end":"06:19","startHours":29.31272449747046,"endHours":30.31272449747046,"planetary_lord":"Saturn"}],"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":"North (Uttara)","chandraVasa":"South","rahuVasa":"North","anandadiYoga":{"name":"Saumya","quality":"Auspicious"},"tropicalRitu":"Hemanta (Pre-winter) (tropical)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-22.386624454710432,"eotMinutes":-6.292074307419696,"ayanamsa":26.1721}},"calendars":{"vikram_samvat":2223,"vikram_samvatsara":"Pramāthi","saka_samvat":2088,"saka_samvatsara":"Akṣaya","bengali_samvat":1573,"malayalam_era":1342,"nanakshahi_year":697,"lunar_month":"Pauṣa","lunar_month_paksha_full":"Pauṣa Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Pauṣa","lunar_month_amanta":"Pauṣa","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Dhanus (Mārgaḻi)","ritu":"Hemanta (Pre-winter)","display_summary":"Pauṣa Śukla Ṣaṣṭhī · Vikram 2223 Pramāthi · Śaka 2088 Akṣaya"},"festivals":[],"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 January 7, 2166 CE · Howrah, West Bengal · Vidhyamitra","description":"January 7, 2166 CE for Howrah, West Bengal: Śukla Ṣaṣṭhī, sūryodaya 06:19, sūryāsta 17:08.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/howrah/2166-01-07","hreflang_alternates":{"en":"https://vidhyamitra.com/city/howrah/2166-01-07","sa":"https://sa.vidhyamitra.com/city/howrah/2166-01-07","hi":"https://hi.vidhyamitra.com/city/howrah/2166-01-07","x-default":"https://vidhyamitra.com/city/howrah/2166-01-07"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-02T21:34:43.954Z","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":"2026-06-02T21:34:43.954Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-02T21:34:43.954Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}