{"id":"vidhyamitra:city-day:dhanbad:2001-02-01:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/dhanbad/2001-02-01","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2001-02-01","date_display":"February 1, 2001 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":2001,"month":2,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2451941.770833,"kali_year":5102,"ahargana":1863476.2708,"sun":{"sidereal_longitude":288.3939,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":15.6399,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":8,"name":"Aṣṭamī","paksha":"Śukla","full_name":"Śukla Aṣṭamī","elongation_degrees":87.2461,"elapsed_within_tithi_degrees":3.2461},"nakshatra":{"number":2,"name":"Bharaṇī","pada":1,"moon_longitude":15.6399,"elapsed_within_degrees":2.3066},"yoga":{"number":23,"name":"Śubha","sum_longitude":304.0338},"karana":{"half_tithi_index":14,"name":"Viṣṭi"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"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":2001,"month":2,"day":1,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2451941.770833,"ahargana":1863476.2708,"kali_year":5102,"ayanamsa_lahiri":23.8682,"grahas":{"sun":{"sidereal_longitude":288.378551,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":3},"retrograde":false},"moon":{"sidereal_longitude":11.79015099999998,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":4},"retrograde":false,"latitude":-4.184},"mars":{"sidereal_longitude":208.69285100000002,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":306.02785100000006,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":37.36205100000001,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":4},"retrograde":false},"venus":{"sidereal_longitude":334.59165099999996,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":30.150650999999982,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":84.0595,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":264.0595,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":4},"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":2001,"month":2,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2451941.770833,"kali_year":5102,"ahargana":1863476.2708,"sun":{"sidereal_longitude":288.3939,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":15.6399,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":8,"name":"Aṣṭamī","paksha":"Śukla","full_name":"Śukla Aṣṭamī","elongation_degrees":87.2461,"elapsed_within_tithi_degrees":3.2461},"nakshatra":{"number":2,"name":"Bharaṇī","pada":1,"moon_longitude":15.6399,"elapsed_within_degrees":2.3066},"yoga":{"number":23,"name":"Śubha","sum_longitude":304.0338},"karana":{"half_tithi_index":14,"name":"Viṣṭi"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.184,"elongation":87.246},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.184,"opposition_distance":92.754}},"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":"06:25","sunsetLocal":"17:31","solarNoonLocal":"11:58","dayLengthHours":11.08700905417691,"dayLengthDisplay":"11 Hours 05 Mins 13 Secs","nightLengthDisplay":"12 Hours 54 Mins 47 Secs","moonriseLocal":"11:05","moonsetLocal":"23:58","rahuKala":{"name":"Rāhu Kāla","start":"13:21","end":"14:44","startHours":13.35200526706204,"endHours":14.737881398834155,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"06:25","end":"07:49","startHours":6.422624608201471,"endHours":7.808500739973585,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"09:12","end":"10:35","startHours":9.1943768717457,"endHours":10.580253003517813,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:01","end":"09:23","startHours":9.009593387509417,"endHours":9.37916035598198,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:53","end":"07:11","startHours":6.884583318792176,"endHours":7.1802368935702265,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:36","end":"12:20","startHours":11.596562166817362,"endHours":12.335696103762489,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:57","end":"05:41","startHours":4.944356734311217,"endHours":5.683490671256344,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:30","end":"06:25","startHours":5.498707187020062,"endHours":6.422624608201471,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:49","end":"14:33","startHours":13.813963977652744,"endHours":14.55309791459787,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:19","end":"17:43","startHours":17.30963366237838,"endHours":17.70963366237838,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:31","end":"17:58","startHours":17.50963366237838,"endHours":17.971592372969084,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:16","end":"19:01","startHours":17.25963366237838,"endHours":19.00963366237838,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:36","end":"00:20","startHours":23.59656216681736,"endHours":24.33569610376249,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"06:25","end":"07:49","startHours":6.422624608201471,"endHours":7.808500739973585,"quality":"auspicious"},{"name":"Roga","start":"07:49","end":"09:12","startHours":7.808500739973585,"endHours":9.1943768717457,"quality":"inauspicious"},{"name":"Udveg","start":"09:12","end":"10:35","startHours":9.1943768717457,"endHours":10.580253003517813,"quality":"inauspicious"},{"name":"Chala","start":"10:35","end":"11:58","startHours":10.580253003517813,"endHours":11.966129135289926,"quality":"neutral"},{"name":"Labha","start":"11:58","end":"13:21","startHours":11.966129135289926,"endHours":13.35200526706204,"quality":"auspicious"},{"name":"Amṛta","start":"13:21","end":"14:44","startHours":13.35200526706204,"endHours":14.737881398834155,"quality":"auspicious"},{"name":"Kāla","start":"14:44","end":"16:07","startHours":14.737881398834155,"endHours":16.123757530606266,"quality":"inauspicious"},{"name":"Śubha","start":"16:07","end":"17:31","startHours":16.123757530606266,"endHours":17.50963366237838,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"17:31","end":"19:07","startHours":17.50963366237838,"endHours":19.123757530606266,"quality":"auspicious"},{"name":"Kāla","start":"19:07","end":"20:44","startHours":19.123757530606266,"endHours":20.737881398834155,"quality":"inauspicious"},{"name":"Śubha","start":"20:44","end":"22:21","startHours":20.737881398834155,"endHours":22.35200526706204,"quality":"auspicious"},{"name":"Roga","start":"22:21","end":"23:58","startHours":22.35200526706204,"endHours":23.966129135289926,"quality":"inauspicious"},{"name":"Udveg","start":"23:58","end":"01:35","startHours":23.966129135289926,"endHours":25.58025300351781,"quality":"inauspicious"},{"name":"Chala","start":"01:35","end":"03:12","startHours":25.58025300351781,"endHours":27.194376871745696,"quality":"neutral"},{"name":"Labha","start":"03:12","end":"04:49","startHours":27.194376871745696,"endHours":28.808500739973585,"quality":"auspicious"},{"name":"Amṛta","start":"04:49","end":"06:25","startHours":28.808500739973585,"endHours":30.42262460820147,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:25","end":"07:25","startHours":6.422624608201471,"endHours":7.422624608201471,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"07:25","end":"08:25","startHours":7.422624608201471,"endHours":8.42262460820147,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"08:25","end":"09:25","startHours":8.42262460820147,"endHours":9.42262460820147,"planetary_lord":"Moon"},{"name":"Hora 4","start":"09:25","end":"10:25","startHours":9.42262460820147,"endHours":10.42262460820147,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"10:25","end":"11:25","startHours":10.42262460820147,"endHours":11.42262460820147,"planetary_lord":"Venus"},{"name":"Hora 6","start":"11:25","end":"12:25","startHours":11.42262460820147,"endHours":12.42262460820147,"planetary_lord":"Sun"},{"name":"Hora 7","start":"12:25","end":"13:25","startHours":12.42262460820147,"endHours":13.42262460820147,"planetary_lord":"Mars"},{"name":"Hora 8","start":"13:25","end":"14:25","startHours":13.42262460820147,"endHours":14.42262460820147,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"14:25","end":"15:25","startHours":14.42262460820147,"endHours":15.42262460820147,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"15:25","end":"16:25","startHours":15.42262460820147,"endHours":16.42262460820147,"planetary_lord":"Moon"},{"name":"Hora 11","start":"16:25","end":"17:25","startHours":16.42262460820147,"endHours":17.42262460820147,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"17:25","end":"18:25","startHours":17.42262460820147,"endHours":18.42262460820147,"planetary_lord":"Venus"},{"name":"Hora 13","start":"18:25","end":"19:25","startHours":18.42262460820147,"endHours":19.42262460820147,"planetary_lord":"Sun"},{"name":"Hora 14","start":"19:25","end":"20:25","startHours":19.42262460820147,"endHours":20.42262460820147,"planetary_lord":"Mars"},{"name":"Hora 15","start":"20:25","end":"21:25","startHours":20.42262460820147,"endHours":21.42262460820147,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"21:25","end":"22:25","startHours":21.42262460820147,"endHours":22.42262460820147,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"22:25","end":"23:25","startHours":22.42262460820147,"endHours":23.42262460820147,"planetary_lord":"Moon"},{"name":"Hora 18","start":"23:25","end":"00:25","startHours":23.42262460820147,"endHours":24.42262460820147,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"00:25","end":"01:25","startHours":24.42262460820147,"endHours":25.42262460820147,"planetary_lord":"Venus"},{"name":"Hora 20","start":"01:25","end":"02:25","startHours":25.42262460820147,"endHours":26.42262460820147,"planetary_lord":"Sun"},{"name":"Hora 21","start":"02:25","end":"03:25","startHours":26.42262460820147,"endHours":27.42262460820147,"planetary_lord":"Mars"},{"name":"Hora 22","start":"03:25","end":"04:25","startHours":27.42262460820147,"endHours":28.42262460820147,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"04:25","end":"05:25","startHours":28.42262460820147,"endHours":29.42262460820147,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"05:25","end":"06:25","startHours":29.42262460820147,"endHours":30.42262460820147,"planetary_lord":"Moon"}],"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":["Meṣa","Mithuna","Kanyā","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Vṛṣabha","Karka","Siṃha","Vṛścika","Dhanu","Mīna"]},"dishaShool":"South (Dakṣiṇa)","chandraVasa":"East","rahuVasa":"North-West","anandadiYoga":{"name":"Kāṇa","quality":"Inauspicious"},"tropicalRitu":"Śiśira (Winter) (tropical)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-17.122997608162542,"eotMinutes":-13.689348117395623,"ayanamsa":23.8682}},"calendars":{"vikram_samvat":2058,"vikram_samvatsara":"Jaya","saka_samvat":1923,"saka_samvatsara":"Vṛṣa","bengali_samvat":1408,"malayalam_era":1177,"nanakshahi_year":532,"lunar_month":"Māgha","lunar_month_paksha_full":"Māgha Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Māgha","lunar_month_amanta":"Māgha","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 Śukla Aṣṭamī · Vikram 2058 Jaya · Śaka 1923 Vṛṣa"},"festivals":[{"id":"bhishma-ashtami","name":"Bhīṣmāṣṭamī","name_sanskrit":"भीष्माष्टमी","tradition":"Pan-Hindu","associated_deity":"Bhīṣma Pitāmaha","significance":"Bhīṣma's mahaprasthāna anniversary (Māgha Śukla 8); Bhīṣma-tarpaṇa.","vrata":true,"detection":{"tithi_number":8,"tithi_paksha":"Śukla","lunar_month":"Māgha"},"precedence":2,"sources":["Mahābhārata, Anuśāsana Parva"]}],"todays_walk":{"walk":{"id":"guru-walk","name":"Bṛhaspati Walk","name_sanskrit":"गुरु यात्रा","type":"graha","description":"Wisdom transmission + BG 4.34.","step_count":8,"url":"/walk/guru-walk"},"reason":"Dedicated festival walk for Bhīṣmāṣṭamī is not live yet; Guruvāra (Thursday) — 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 1, 2001 CE · Dhanbad, Jharkhand · Vidhyamitra","description":"February 1, 2001 CE for Dhanbad, Jharkhand: Śukla Aṣṭamī, sūryodaya 06:25, sūryāsta 17:31.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/dhanbad/2001-02-01","hreflang_alternates":{"en":"https://vidhyamitra.com/city/dhanbad/2001-02-01","sa":"https://sa.vidhyamitra.com/city/dhanbad/2001-02-01","hi":"https://hi.vidhyamitra.com/city/dhanbad/2001-02-01","x-default":"https://vidhyamitra.com/city/dhanbad/2001-02-01"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-09-05T23:56:49.201Z","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":"2026-09-05T23:56:49.202Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-09-05T23:56:49.202Z","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"}}}