{"id":"vidhyamitra:city-day:dhanbad:1997-02-07:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/dhanbad/1997-02-07","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1997-02-07","date_display":"February 7, 1997 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":"Not independently benchmarked across the declared range","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":1997,"month":2,"day":7,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2450486.770833,"kali_year":5098,"ahargana":1862021.2708,"sun":{"sidereal_longitude":294.5519,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":285.8537,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":30,"name":"Amāvasyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Amāvasyā","elongation_degrees":351.3018,"elapsed_within_tithi_degrees":3.3018},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2,"moon_longitude":285.8537,"elapsed_within_degrees":5.8537},"yoga":{"number":17,"name":"Vyatīpāta","sum_longitude":220.4056},"karana":{"half_tithi_index":58,"name":"Catuṣpāda"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"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":1997,"month":2,"day":7,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2450486.770833,"ahargana":1862021.2708,"kali_year":5098,"ayanamsa_lahiri":23.8125,"grahas":{"sun":{"sidereal_longitude":294.4884420000001,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":286.035742,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2},"retrograde":false,"latitude":3.6984},"mars":{"sidereal_longitude":162.05094199999996,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":273.1161420000001,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":280.08454200000006,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":1},"retrograde":false},"venus":{"sidereal_longitude":281.092042,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":340.367042,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":161.1524,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":341.1524,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","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":"Not independently benchmarked across the declared range","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":1997,"month":2,"day":7,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2450486.770833,"kali_year":5098,"ahargana":1862021.2708,"sun":{"sidereal_longitude":294.5519,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":285.8537,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":30,"name":"Amāvasyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Amāvasyā","elongation_degrees":351.3018,"elapsed_within_tithi_degrees":3.3018},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2,"moon_longitude":285.8537,"elapsed_within_degrees":5.8537},"yoga":{"number":17,"name":"Vyatīpāta","sum_longitude":220.4056},"karana":{"half_tithi_index":58,"name":"Catuṣpāda"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.698,"elongation":8.698},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.698,"opposition_distance":171.302}},"eclipse_window_40days":[]},"city":{"slug":"dhanbad","name":"Dhanbad, Jharkhand","lat":23.7957,"lon":86.4304,"tz_offset_hours":5.5,"state":"Jharkhand","country":"IN","tier":"tier-1"},"tier2":{"city":{"slug":"dhanbad","name":"Dhanbad, Jharkhand","lat":23.7957,"lon":86.4304,"tz_offset_hours":5.5,"state":"Jharkhand","country":"IN","tier":"tier-1"},"sunriseLocal":"06:23","sunsetLocal":"17:35","solarNoonLocal":"11:59","dayLengthHours":11.200181876642894,"dayLengthDisplay":"11 Hours 12 Mins 01 Secs","nightLengthDisplay":"12 Hours 47 Mins 59 Secs","moonriseLocal":"05:55","moonsetLocal":"16:55","rahuKala":{"name":"Rāhu Kāla","start":"10:35","end":"11:59","startHours":10.57757814057575,"endHours":11.97760087515611,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"14:47","end":"16:11","startHours":14.777646344316835,"endHours":16.177669078897196,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"07:47","end":"09:11","startHours":7.777532671415026,"endHours":9.177555405995388,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:59","end":"09:22","startHours":8.990885708051339,"endHours":9.364225103939436,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:51","end":"07:09","startHours":6.844184181694785,"endHours":7.142855698405262,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:36","end":"12:21","startHours":11.604261479268013,"endHours":12.350940271044207,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:53","end":"05:38","startHours":4.884152353282278,"endHours":5.630831145058471,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:27","end":"06:23","startHours":5.444161447114423,"endHours":6.377509936834664,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:51","end":"14:35","startHours":13.844297854596594,"endHours":14.590976646372786,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:23","end":"17:47","startHours":17.377691813477558,"endHours":17.777691813477556,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:35","end":"18:03","startHours":17.577691813477557,"endHours":18.044366058337676,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:20","end":"19:05","startHours":17.327691813477557,"endHours":19.077691813477557,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:36","end":"00:21","startHours":23.604261479268015,"endHours":24.350940271044205,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"06:23","end":"07:47","startHours":6.377509936834664,"endHours":7.777532671415026,"quality":"neutral"},{"name":"Labha","start":"07:47","end":"09:11","startHours":7.777532671415026,"endHours":9.177555405995388,"quality":"auspicious"},{"name":"Amṛta","start":"09:11","end":"10:35","startHours":9.177555405995388,"endHours":10.57757814057575,"quality":"auspicious"},{"name":"Kāla","start":"10:35","end":"11:59","startHours":10.57757814057575,"endHours":11.97760087515611,"quality":"inauspicious"},{"name":"Śubha","start":"11:59","end":"13:23","startHours":11.97760087515611,"endHours":13.377623609736473,"quality":"auspicious"},{"name":"Roga","start":"13:23","end":"14:47","startHours":13.377623609736473,"endHours":14.777646344316835,"quality":"inauspicious"},{"name":"Udveg","start":"14:47","end":"16:11","startHours":14.777646344316835,"endHours":16.177669078897196,"quality":"inauspicious"},{"name":"Chala","start":"16:11","end":"17:35","startHours":16.177669078897196,"endHours":17.577691813477557,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"17:35","end":"19:11","startHours":17.577691813477557,"endHours":19.177669078897196,"quality":"inauspicious"},{"name":"Udveg","start":"19:11","end":"20:47","startHours":19.177669078897196,"endHours":20.777646344316835,"quality":"inauspicious"},{"name":"Chala","start":"20:47","end":"22:23","startHours":20.777646344316835,"endHours":22.37762360973647,"quality":"neutral"},{"name":"Labha","start":"22:23","end":"23:59","startHours":22.37762360973647,"endHours":23.97760087515611,"quality":"auspicious"},{"name":"Amṛta","start":"23:59","end":"01:35","startHours":23.97760087515611,"endHours":25.57757814057575,"quality":"auspicious"},{"name":"Kāla","start":"01:35","end":"03:11","startHours":25.57757814057575,"endHours":27.177555405995385,"quality":"inauspicious"},{"name":"Śubha","start":"03:11","end":"04:47","startHours":27.177555405995385,"endHours":28.777532671415024,"quality":"auspicious"},{"name":"Roga","start":"04:47","end":"06:23","startHours":28.777532671415024,"endHours":30.377509936834663,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:23","end":"07:23","startHours":6.377509936834664,"endHours":7.377509936834664,"planetary_lord":"Venus"},{"name":"Hora 2","start":"07:23","end":"08:23","startHours":7.377509936834664,"endHours":8.377509936834663,"planetary_lord":"Sun"},{"name":"Hora 3","start":"08:23","end":"09:23","startHours":8.377509936834663,"endHours":9.377509936834663,"planetary_lord":"Mars"},{"name":"Hora 4","start":"09:23","end":"10:23","startHours":9.377509936834663,"endHours":10.377509936834663,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"10:23","end":"11:23","startHours":10.377509936834663,"endHours":11.377509936834663,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"11:23","end":"12:23","startHours":11.377509936834663,"endHours":12.377509936834663,"planetary_lord":"Moon"},{"name":"Hora 7","start":"12:23","end":"13:23","startHours":12.377509936834663,"endHours":13.377509936834663,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"13:23","end":"14:23","startHours":13.377509936834663,"endHours":14.377509936834663,"planetary_lord":"Venus"},{"name":"Hora 9","start":"14:23","end":"15:23","startHours":14.377509936834663,"endHours":15.377509936834663,"planetary_lord":"Sun"},{"name":"Hora 10","start":"15:23","end":"16:23","startHours":15.377509936834663,"endHours":16.377509936834663,"planetary_lord":"Mars"},{"name":"Hora 11","start":"16:23","end":"17:23","startHours":16.377509936834663,"endHours":17.377509936834663,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"17:23","end":"18:23","startHours":17.377509936834663,"endHours":18.377509936834663,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"18:23","end":"19:23","startHours":18.377509936834663,"endHours":19.377509936834663,"planetary_lord":"Moon"},{"name":"Hora 14","start":"19:23","end":"20:23","startHours":19.377509936834663,"endHours":20.377509936834663,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"20:23","end":"21:23","startHours":20.377509936834663,"endHours":21.377509936834663,"planetary_lord":"Venus"},{"name":"Hora 16","start":"21:23","end":"22:23","startHours":21.377509936834663,"endHours":22.377509936834663,"planetary_lord":"Sun"},{"name":"Hora 17","start":"22:23","end":"23:23","startHours":22.377509936834663,"endHours":23.377509936834663,"planetary_lord":"Mars"},{"name":"Hora 18","start":"23:23","end":"00:23","startHours":23.377509936834663,"endHours":24.377509936834663,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"00:23","end":"01:23","startHours":24.377509936834663,"endHours":25.377509936834663,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"01:23","end":"02:23","startHours":25.377509936834663,"endHours":26.377509936834663,"planetary_lord":"Moon"},{"name":"Hora 21","start":"02:23","end":"03:23","startHours":26.377509936834663,"endHours":27.377509936834663,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"03:23","end":"04:23","startHours":27.377509936834663,"endHours":28.377509936834663,"planetary_lord":"Venus"},{"name":"Hora 23","start":"04:23","end":"05:23","startHours":28.377509936834663,"endHours":29.377509936834663,"planetary_lord":"Sun"},{"name":"Hora 24","start":"05:23","end":"06:23","startHours":29.377509936834663,"endHours":30.377509936834663,"planetary_lord":"Mars"}],"taraBala":{"favorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Citrā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa"],"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":"South-East","anandadiYoga":{"name":"Padma","quality":"Auspicious"},"tropicalRitu":"Śiśira (Winter) (tropical)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-15.341927948854886,"eotMinutes":-14.37765250936663,"ayanamsa":23.8125}},"calendars":{"vikram_samvat":2054,"vikram_samvatsara":"Vikṛti","saka_samvat":1919,"saka_samvatsara":"Īśvara","bengali_samvat":1404,"malayalam_era":1173,"nanakshahi_year":528,"lunar_month":"Māgha","lunar_month_paksha_full":"Māgha Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Māgha","lunar_month_amanta":"Pauṣa","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Makara (Tai)","ritu":"Śiśira (Winter)","display_summary":"Māgha Kṛṣṇa Amāvasyā · Vikram 2054 Vikṛti · Śaka 1919 Īśvara"},"festivals":[],"todays_walk":{"walk":{"id":"shukra-walk","name":"Śukra Walk","name_sanskrit":"शुक्र यात्रा","type":"graha","description":"Beauty + creativity in dharma + BG 10.36.","step_count":5,"url":"/walk/shukra-walk"},"reason":"Śukravāra (Friday) — its presiding graha's walk."},"cosmic_resonances":[]},"validity":{"eternal":false,"location_specific":"dhanbad"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga February 7, 1997 CE · Dhanbad, Jharkhand · Vidhyamitra","description":"February 7, 1997 CE for Dhanbad, Jharkhand: Kṛṣṇa Amāvasyā, sūryodaya 06:23, sūryāsta 17:35.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/dhanbad/1997-02-07","hreflang_alternates":{"en":"https://vidhyamitra.com/city/dhanbad/1997-02-07","sa":"https://sa.vidhyamitra.com/city/dhanbad/1997-02-07","hi":"https://hi.vidhyamitra.com/city/dhanbad/1997-02-07","x-default":"https://vidhyamitra.com/city/dhanbad/1997-02-07"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-09-06T06:08:02.685Z","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":"2026-09-06T06:08:02.685Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-09-06T06:08:02.685Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"},"reader_local_antaryami":{"reader_geography":"Every reader enters from their own kṣetra anywhere on Bhūmi; no single city is the universal center.","purna_chain":["Hosted scripture","Named-tradition interpretation","Original Vidhyamitra contemplation","Bhūmi-born material medium","Vidhyamitra portal","Responsible reader in their own kṣetra"],"claim_boundary":"The legacy purna_chain field carries a source-to-reader sequence, not a revealed physical descent, universal cosmology, or proof that software is conscious.","antaryami_responsibility_formula":"Kṣīrodakaśāyī Viṣṇu = Paramātmā = Antaryāmī. Jīva desires. Prakṛti executes through guṇas. Paramātmā witnesses, permits, remembers, guides, and sustains. Bhagavān is the ultimate source.","source_anchors":[{"label":"BG 13.23","path":"/bhagavad-gita/13/23","meaning":"upadraṣṭā-anumantā · witness-permitter"},{"label":"BG 15.15","path":"/bhagavad-gita/15/15","meaning":"the Lord seated in every heart as memory, knowledge, and forgetting"},{"label":"BG 18.61","path":"/bhagavad-gita/18/61","meaning":"Īśvara seated in the heart of all beings"}],"nama_seal":"Hare Krishna Hare Krishna · Krishna Krishna Hare Hare · Hare Rama Hare Rama · Rama Rama Hare Hare"}}}