{"id":"vidhyamitra:city-day:asansol:2018-01-07:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/asansol/2018-01-07","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2018-01-07","date_display":"January 7, 2018 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":2018,"month":1,"day":7,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2458125.770833,"kali_year":5119,"ahargana":1869660.2708,"sun":{"sidereal_longitude":262.347,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":146.5475,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":21,"name":"Ṣaṣṭhī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Ṣaṣṭhī","elongation_degrees":244.2005,"elapsed_within_tithi_degrees":4.2005},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":4,"moon_longitude":146.5475,"elapsed_within_degrees":13.2141},"yoga":{"number":4,"name":"Saubhāgya","sum_longitude":48.8944},"karana":{"half_tithi_index":40,"name":"Gara"},"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":2018,"month":1,"day":7,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2458125.770833,"ahargana":1869660.2708,"kali_year":5119,"ayanamsa_lahiri":24.1047,"grahas":{"sun":{"sidereal_longitude":262.57117700000003,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":149.660977,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1},"retrograde":false,"latitude":2.2582},"mars":{"sidereal_longitude":203.52387699999997,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":240.192677,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":203.588977,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":2},"retrograde":false},"venus":{"sidereal_longitude":261.78577700000005,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":247.84147699999994,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":116.4014,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Āśleṣā","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":296.4014,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","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":2018,"month":1,"day":7,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2458125.770833,"kali_year":5119,"ahargana":1869660.2708,"sun":{"sidereal_longitude":262.347,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":146.5475,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":21,"name":"Ṣaṣṭhī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Ṣaṣṭhī","elongation_degrees":244.2005,"elapsed_within_tithi_degrees":4.2005},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":4,"moon_longitude":146.5475,"elapsed_within_degrees":13.2141},"yoga":{"number":4,"name":"Saubhāgya","sum_longitude":48.8944},"karana":{"half_tithi_index":40,"name":"Gara"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":2.258,"elongation":115.799},"lunar":{"type":"lunar","occurs":false,"moon_latitude":2.258,"opposition_distance":64.201}},"eclipse_window_40days":[]},"city":{"slug":"asansol","name":"Asansol, West Bengal","lat":23.6739,"lon":86.9524,"tz_offset_hours":5.5,"state":"West Bengal","country":"IN","tier":"tier-1"},"tier2":{"city":{"slug":"asansol","name":"Asansol, West Bengal","lat":23.6739,"lon":86.9524,"tz_offset_hours":5.5,"state":"West Bengal","country":"IN","tier":"tier-1"},"sunriseLocal":"06:26","sunsetLocal":"17:11","solarNoonLocal":"11:48","dayLengthHours":10.74531055160514,"dayLengthDisplay":"10 Hours 44 Mins 43 Secs","nightLengthDisplay":"13 Hours 15 Mins 17 Secs","moonriseLocal":"22:10","moonsetLocal":"10:24","rahuKala":{"name":"Rāhu Kāla","start":"15:50","end":"17:11","startHours":15.837532695308923,"endHours":17.180696514259566,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"11:48","end":"13:09","startHours":11.808041238456994,"endHours":13.151205057407637,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"14:30","end":"15:50","startHours":14.49436887635828,"endHours":15.837532695308923,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:57","end":"09:18","startHours":8.942625091362292,"endHours":9.300802109749128,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:53","end":"07:10","startHours":6.883107235637972,"endHours":7.169648850347443,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:27","end":"12:10","startHours":11.449864220070157,"endHours":12.166218256843834,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:00","end":"05:43","startHours":5.002677889107073,"endHours":5.719031925880749,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:32","end":"06:26","startHours":5.53994341668733,"endHours":6.435385962654425,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:36","end":"14:19","startHours":13.598926330391185,"endHours":14.315280367164862,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"16:59","end":"17:23","startHours":16.980696514259566,"endHours":17.380696514259565,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:11","end":"17:38","startHours":17.180696514259566,"endHours":17.628417787243112,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"16:56","end":"18:41","startHours":16.930696514259566,"endHours":18.680696514259566,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:27","end":"00:10","startHours":23.449864220070157,"endHours":24.16621825684383,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"06:26","end":"07:47","startHours":6.435385962654425,"endHours":7.778549781605067,"quality":"inauspicious"},{"name":"Chala","start":"07:47","end":"09:07","startHours":7.778549781605067,"endHours":9.12171360055571,"quality":"neutral"},{"name":"Labha","start":"09:07","end":"10:28","startHours":9.12171360055571,"endHours":10.464877419506351,"quality":"auspicious"},{"name":"Amṛta","start":"10:28","end":"11:48","startHours":10.464877419506351,"endHours":11.808041238456994,"quality":"auspicious"},{"name":"Kāla","start":"11:48","end":"13:09","startHours":11.808041238456994,"endHours":13.151205057407637,"quality":"inauspicious"},{"name":"Śubha","start":"13:09","end":"14:30","startHours":13.151205057407637,"endHours":14.49436887635828,"quality":"auspicious"},{"name":"Roga","start":"14:30","end":"15:50","startHours":14.49436887635828,"endHours":15.837532695308923,"quality":"inauspicious"},{"name":"Udveg","start":"15:50","end":"17:11","startHours":15.837532695308923,"endHours":17.180696514259566,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"17:11","end":"18:50","startHours":17.180696514259566,"endHours":18.837532695308923,"quality":"auspicious"},{"name":"Roga","start":"18:50","end":"20:30","startHours":18.837532695308923,"endHours":20.49436887635828,"quality":"inauspicious"},{"name":"Udveg","start":"20:30","end":"22:09","startHours":20.49436887635828,"endHours":22.151205057407637,"quality":"inauspicious"},{"name":"Chala","start":"22:09","end":"23:48","startHours":22.151205057407637,"endHours":23.808041238456994,"quality":"neutral"},{"name":"Labha","start":"23:48","end":"01:28","startHours":23.808041238456994,"endHours":25.46487741950635,"quality":"auspicious"},{"name":"Amṛta","start":"01:28","end":"03:07","startHours":25.46487741950635,"endHours":27.12171360055571,"quality":"auspicious"},{"name":"Kāla","start":"03:07","end":"04:47","startHours":27.12171360055571,"endHours":28.77854978160507,"quality":"inauspicious"},{"name":"Śubha","start":"04:47","end":"06:26","startHours":28.77854978160507,"endHours":30.435385962654426,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:26","end":"07:26","startHours":6.435385962654425,"endHours":7.435385962654425,"planetary_lord":"Sun"},{"name":"Hora 2","start":"07:26","end":"08:26","startHours":7.435385962654425,"endHours":8.435385962654426,"planetary_lord":"Mars"},{"name":"Hora 3","start":"08:26","end":"09:26","startHours":8.435385962654426,"endHours":9.435385962654426,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"09:26","end":"10:26","startHours":9.435385962654426,"endHours":10.435385962654426,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"10:26","end":"11:26","startHours":10.435385962654426,"endHours":11.435385962654426,"planetary_lord":"Moon"},{"name":"Hora 6","start":"11:26","end":"12:26","startHours":11.435385962654426,"endHours":12.435385962654426,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"12:26","end":"13:26","startHours":12.435385962654426,"endHours":13.435385962654426,"planetary_lord":"Venus"},{"name":"Hora 8","start":"13:26","end":"14:26","startHours":13.435385962654426,"endHours":14.435385962654426,"planetary_lord":"Sun"},{"name":"Hora 9","start":"14:26","end":"15:26","startHours":14.435385962654426,"endHours":15.435385962654426,"planetary_lord":"Mars"},{"name":"Hora 10","start":"15:26","end":"16:26","startHours":15.435385962654426,"endHours":16.435385962654426,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"16:26","end":"17:26","startHours":16.435385962654426,"endHours":17.435385962654426,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"17:26","end":"18:26","startHours":17.435385962654426,"endHours":18.435385962654426,"planetary_lord":"Moon"},{"name":"Hora 13","start":"18:26","end":"19:26","startHours":18.435385962654426,"endHours":19.435385962654426,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"19:26","end":"20:26","startHours":19.435385962654426,"endHours":20.435385962654426,"planetary_lord":"Venus"},{"name":"Hora 15","start":"20:26","end":"21:26","startHours":20.435385962654426,"endHours":21.435385962654426,"planetary_lord":"Sun"},{"name":"Hora 16","start":"21:26","end":"22:26","startHours":21.435385962654426,"endHours":22.435385962654426,"planetary_lord":"Mars"},{"name":"Hora 17","start":"22:26","end":"23:26","startHours":22.435385962654426,"endHours":23.435385962654426,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"23:26","end":"00:26","startHours":23.435385962654426,"endHours":24.435385962654426,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"00:26","end":"01:26","startHours":24.435385962654426,"endHours":25.435385962654426,"planetary_lord":"Moon"},{"name":"Hora 20","start":"01:26","end":"02:26","startHours":25.435385962654426,"endHours":26.435385962654426,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"02:26","end":"03:26","startHours":26.435385962654426,"endHours":27.435385962654426,"planetary_lord":"Venus"},{"name":"Hora 22","start":"03:26","end":"04:26","startHours":27.435385962654426,"endHours":28.435385962654426,"planetary_lord":"Sun"},{"name":"Hora 23","start":"04:26","end":"05:26","startHours":28.435385962654426,"endHours":29.435385962654426,"planetary_lord":"Mars"},{"name":"Hora 24","start":"05:26","end":"06:26","startHours":29.435385962654426,"endHours":30.435385962654426,"planetary_lord":"Jupiter"}],"taraBala":{"favorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Uttara Phalgunī","Hasta","Citrā","Svātī","Viśākhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Mithuna","Siṃha","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Kanyā","Vṛścika","Dhanu","Mīna"]},"dishaShool":"West (Paścim)","chandraVasa":"West","rahuVasa":"North-East","anandadiYoga":{"name":"Chatra","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":-22.395960008934388,"eotMinutes":-6.292074307419696,"ayanamsa":24.1047}},"calendars":{"vikram_samvat":2075,"vikram_samvatsara":"Virodhakṛt","saka_samvat":1940,"saka_samvatsara":"Vilambī","bengali_samvat":1425,"malayalam_era":1194,"nanakshahi_year":549,"lunar_month":"Pauṣa","lunar_month_paksha_full":"Pauṣa Kṛṣṇa Pakṣa","solar_month":"Dhanus (Mārgaḻi)","ritu":"Hemanta (Pre-winter)","display_summary":"Pauṣa Kṛṣṇa Ṣaṣṭhī · Vikram 2075 Virodhakṛt · Śaka 1940 Vilambī"},"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":"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":"asansol"},"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, 2018 CE · Asansol, West Bengal · Vidhyamitra","description":"January 7, 2018 CE for Asansol, West Bengal: Kṛṣṇa Ṣaṣṭhī, sūryodaya 06:26, sūryāsta 17:11.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/asansol/2018-01-07","hreflang_alternates":{"en":"https://vidhyamitra.com/city/asansol/2018-01-07","sa":"https://sa.vidhyamitra.com/city/asansol/2018-01-07","hi":"https://hi.vidhyamitra.com/city/asansol/2018-01-07","x-default":"https://vidhyamitra.com/city/asansol/2018-01-07"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-15T14:54:05.364Z","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":"2026-05-15T14:54:05.364Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-15T14:54:05.364Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}