{"id":"vidhyamitra:city-day:dhanbad:1973-01-01:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/dhanbad/1973-01-01","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1973-01-01","date_display":"January 1, 1973 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":1973,"month":1,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2441683.770833,"kali_year":5074,"ahargana":1853218.2708,"sun":{"sidereal_longitude":256.8407,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":215.553,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":27,"name":"Dvādaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Dvādaśī","elongation_degrees":318.7123,"elapsed_within_tithi_degrees":6.7123},"nakshatra":{"number":17,"name":"Anurādhā","pada":1,"moon_longitude":215.553,"elapsed_within_degrees":2.2196},"yoga":{"number":9,"name":"Śūla","sum_longitude":112.3937},"karana":{"half_tithi_index":53,"name":"Taitila"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"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":1973,"month":1,"day":1,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2441683.770833,"ahargana":1853218.2708,"kali_year":5074,"ayanamsa_lahiri":23.4758,"grahas":{"sun":{"sidereal_longitude":257.0069820000001,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":2},"retrograde":false},"moon":{"sidereal_longitude":217.62858200000005,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":2},"retrograde":false,"latitude":-3.5459},"mars":{"sidereal_longitude":217.82178199999998,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":241.53178200000002,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":264.890982,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":4},"retrograde":false},"venus":{"sidereal_longitude":233.453482,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":52.123181999999986,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":4},"retrograde":true},"rahu":{"sidereal_longitude":267.5777,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":87.5777,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","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":1973,"month":1,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2441683.770833,"kali_year":5074,"ahargana":1853218.2708,"sun":{"sidereal_longitude":256.8407,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":215.553,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":27,"name":"Dvādaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Dvādaśī","elongation_degrees":318.7123,"elapsed_within_tithi_degrees":6.7123},"nakshatra":{"number":17,"name":"Anurādhā","pada":1,"moon_longitude":215.553,"elapsed_within_degrees":2.2196},"yoga":{"number":9,"name":"Śūla","sum_longitude":112.3937},"karana":{"half_tithi_index":53,"name":"Taitila"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-3.546,"elongation":41.288},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-3.546,"opposition_distance":138.712}},"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":"06:27","sunsetLocal":"17:09","solarNoonLocal":"11:48","dayLengthHours":10.694034139908124,"dayLengthDisplay":"10 Hours 41 Mins 39 Secs","nightLengthDisplay":"13 Hours 18 Mins 21 Secs","moonriseLocal":"03:45","moonsetLocal":"14:36","rahuKala":{"name":"Rāhu Kāla","start":"07:47","end":"09:08","startHours":7.789463502924386,"endHours":9.126217770412902,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"10:28","end":"11:48","startHours":10.462972037901416,"endHours":11.799726305389932,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"13:08","end":"14:28","startHours":13.136480572878448,"endHours":14.473234840366963,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:57","end":"09:18","startHours":8.9479838680811,"endHours":9.304451672744705,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:54","end":"07:11","startHours":6.898293991265375,"endHours":7.183468234996258,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:27","end":"12:09","startHours":11.44325850072633,"endHours":12.156194110053537,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:02","end":"05:44","startHours":5.026838016781454,"endHours":5.739773626108662,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:34","end":"06:27","startHours":5.5615397237768605,"endHours":6.45270923543587,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:35","end":"14:18","startHours":13.582065328707953,"endHours":14.295000938035162,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"16:57","end":"17:21","startHours":16.946743375343996,"endHours":17.346743375343994,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:09","end":"17:36","startHours":17.146743375343995,"endHours":17.5923281311735,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"16:54","end":"18:39","startHours":16.896743375343995,"endHours":18.646743375343995,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:27","end":"00:09","startHours":23.443258500726326,"endHours":24.156194110053537,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"06:27","end":"07:47","startHours":6.45270923543587,"endHours":7.789463502924386,"quality":"auspicious"},{"name":"Kāla","start":"07:47","end":"09:08","startHours":7.789463502924386,"endHours":9.126217770412902,"quality":"inauspicious"},{"name":"Śubha","start":"09:08","end":"10:28","startHours":9.126217770412902,"endHours":10.462972037901416,"quality":"auspicious"},{"name":"Roga","start":"10:28","end":"11:48","startHours":10.462972037901416,"endHours":11.799726305389932,"quality":"inauspicious"},{"name":"Udveg","start":"11:48","end":"13:08","startHours":11.799726305389932,"endHours":13.136480572878448,"quality":"inauspicious"},{"name":"Chala","start":"13:08","end":"14:28","startHours":13.136480572878448,"endHours":14.473234840366963,"quality":"neutral"},{"name":"Labha","start":"14:28","end":"15:49","startHours":14.473234840366963,"endHours":15.809989107855479,"quality":"auspicious"},{"name":"Amṛta","start":"15:49","end":"17:09","startHours":15.809989107855479,"endHours":17.146743375343995,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"17:09","end":"18:49","startHours":17.146743375343995,"endHours":18.80998910785548,"quality":"neutral"},{"name":"Labha","start":"18:49","end":"20:28","startHours":18.80998910785548,"endHours":20.473234840366963,"quality":"auspicious"},{"name":"Amṛta","start":"20:28","end":"22:08","startHours":20.473234840366963,"endHours":22.136480572878448,"quality":"auspicious"},{"name":"Kāla","start":"22:08","end":"23:48","startHours":22.136480572878448,"endHours":23.79972630538993,"quality":"inauspicious"},{"name":"Śubha","start":"23:48","end":"01:28","startHours":23.79972630538993,"endHours":25.462972037901416,"quality":"auspicious"},{"name":"Roga","start":"01:28","end":"03:08","startHours":25.462972037901416,"endHours":27.1262177704129,"quality":"inauspicious"},{"name":"Udveg","start":"03:08","end":"04:47","startHours":27.1262177704129,"endHours":28.789463502924384,"quality":"inauspicious"},{"name":"Chala","start":"04:47","end":"06:27","startHours":28.789463502924384,"endHours":30.45270923543587,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"06:27","end":"07:27","startHours":6.45270923543587,"endHours":7.45270923543587,"planetary_lord":"Moon"},{"name":"Hora 2","start":"07:27","end":"08:27","startHours":7.45270923543587,"endHours":8.45270923543587,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"08:27","end":"09:27","startHours":8.45270923543587,"endHours":9.45270923543587,"planetary_lord":"Venus"},{"name":"Hora 4","start":"09:27","end":"10:27","startHours":9.45270923543587,"endHours":10.45270923543587,"planetary_lord":"Sun"},{"name":"Hora 5","start":"10:27","end":"11:27","startHours":10.45270923543587,"endHours":11.45270923543587,"planetary_lord":"Mars"},{"name":"Hora 6","start":"11:27","end":"12:27","startHours":11.45270923543587,"endHours":12.45270923543587,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"12:27","end":"13:27","startHours":12.45270923543587,"endHours":13.45270923543587,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"13:27","end":"14:27","startHours":13.45270923543587,"endHours":14.45270923543587,"planetary_lord":"Moon"},{"name":"Hora 9","start":"14:27","end":"15:27","startHours":14.45270923543587,"endHours":15.45270923543587,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"15:27","end":"16:27","startHours":15.45270923543587,"endHours":16.45270923543587,"planetary_lord":"Venus"},{"name":"Hora 11","start":"16:27","end":"17:27","startHours":16.45270923543587,"endHours":17.45270923543587,"planetary_lord":"Sun"},{"name":"Hora 12","start":"17:27","end":"18:27","startHours":17.45270923543587,"endHours":18.45270923543587,"planetary_lord":"Mars"},{"name":"Hora 13","start":"18:27","end":"19:27","startHours":18.45270923543587,"endHours":19.45270923543587,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"19:27","end":"20:27","startHours":19.45270923543587,"endHours":20.45270923543587,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"20:27","end":"21:27","startHours":20.45270923543587,"endHours":21.45270923543587,"planetary_lord":"Moon"},{"name":"Hora 16","start":"21:27","end":"22:27","startHours":21.45270923543587,"endHours":22.45270923543587,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"22:27","end":"23:27","startHours":22.45270923543587,"endHours":23.45270923543587,"planetary_lord":"Venus"},{"name":"Hora 18","start":"23:27","end":"00:27","startHours":23.45270923543587,"endHours":24.45270923543587,"planetary_lord":"Sun"},{"name":"Hora 19","start":"00:27","end":"01:27","startHours":24.45270923543587,"endHours":25.45270923543587,"planetary_lord":"Mars"},{"name":"Hora 20","start":"01:27","end":"02:27","startHours":25.45270923543587,"endHours":26.45270923543587,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"02:27","end":"03:27","startHours":26.45270923543587,"endHours":27.45270923543587,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"03:27","end":"04:27","startHours":27.45270923543587,"endHours":28.45270923543587,"planetary_lord":"Moon"},{"name":"Hora 23","start":"04:27","end":"05:27","startHours":28.45270923543587,"endHours":29.45270923543587,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"05:27","end":"06:27","startHours":29.45270923543587,"endHours":30.45270923543587,"planetary_lord":"Venus"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Revatī"],"unfavorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Citrā","Svātī","Viśākhā","Anurādhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Kanyā","Vṛścika","Makara"],"unfavorable_rashis":["Mithuna","Karka","Tulā","Dhanu","Kumbha","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"North-East","rahuVasa":"North-East","anandadiYoga":{"name":"Amṛta","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":-23.02259825192925,"eotMinutes":-3.705178323396069,"ayanamsa":23.4758}},"calendars":{"vikram_samvat":2030,"vikram_samvatsara":"Akṣaya","saka_samvat":1895,"saka_samvatsara":"Pramādī","bengali_samvat":1380,"malayalam_era":1149,"nanakshahi_year":504,"lunar_month":"Pauṣa","lunar_month_paksha_full":"Pauṣa Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Pauṣa","lunar_month_amanta":"Mārgaśīrṣa","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 Kṛṣṇa Dvādaśī · Vikram 2030 Akṣaya · Śaka 1895 Pramādī"},"festivals":[],"todays_walk":{"walk":{"id":"chandra-walk","name":"Candra Walk","name_sanskrit":"चन्द्र यात्रा","type":"graha","description":"Manas-control + BG 6.5-7.","step_count":5,"url":"/walk/chandra-walk"},"reason":"Somavāra (Monday) — 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 January 1, 1973 CE · Dhanbad, Jharkhand · Vidhyamitra","description":"January 1, 1973 CE for Dhanbad, Jharkhand: Kṛṣṇa Dvādaśī, sūryodaya 06:27, sūryāsta 17:09.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/dhanbad/1973-01-01","hreflang_alternates":{"en":"https://vidhyamitra.com/city/dhanbad/1973-01-01","sa":"https://sa.vidhyamitra.com/city/dhanbad/1973-01-01","hi":"https://hi.vidhyamitra.com/city/dhanbad/1973-01-01","x-default":"https://vidhyamitra.com/city/dhanbad/1973-01-01"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-02T15:28:59.839Z","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":"2026-06-02T15:28:59.839Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-02T15:28:59.839Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}