{"id":"vidhyamitra:city-day:ranchi:2009-02-01:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ranchi/2009-02-01","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2009-02-01","date_display":"February 1, 2009 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":2009,"month":2,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2454863.770833,"kali_year":5110,"ahargana":1866398.2708,"sun":{"sidereal_longitude":288.3223,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":356.9972,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":6,"name":"Ṣaṣṭhī","paksha":"Śukla","full_name":"Śukla Ṣaṣṭhī","elongation_degrees":68.6749,"elapsed_within_tithi_degrees":8.6749},"nakshatra":{"number":27,"name":"Revatī","pada":4,"moon_longitude":356.9972,"elapsed_within_degrees":10.3305},"yoga":{"number":22,"name":"Sādhya","sum_longitude":285.3195},"karana":{"half_tithi_index":11,"name":"Taitila"},"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":2009,"month":2,"day":1,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2454863.770833,"ahargana":1866398.2708,"kali_year":5110,"ayanamsa_lahiri":23.9799,"grahas":{"sun":{"sidereal_longitude":288.32580899999994,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":3},"retrograde":false},"moon":{"sidereal_longitude":354.221609,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":3},"retrograde":false,"latitude":4.1646},"mars":{"sidereal_longitude":273.111809,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":267.550109,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1},"retrograde":true},"jupiter":{"sidereal_longitude":282.70400900000004,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":1},"retrograde":false},"venus":{"sidereal_longitude":334.12700900000004,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":146.71880900000002,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1},"retrograde":true},"rahu":{"sidereal_longitude":289.2379,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":109.2379,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Āśleṣā","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":2009,"month":2,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2454863.770833,"kali_year":5110,"ahargana":1866398.2708,"sun":{"sidereal_longitude":288.3223,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":356.9972,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":6,"name":"Ṣaṣṭhī","paksha":"Śukla","full_name":"Śukla Ṣaṣṭhī","elongation_degrees":68.6749,"elapsed_within_tithi_degrees":8.6749},"nakshatra":{"number":27,"name":"Revatī","pada":4,"moon_longitude":356.9972,"elapsed_within_degrees":10.3305},"yoga":{"number":22,"name":"Sādhya","sum_longitude":285.3195},"karana":{"half_tithi_index":11,"name":"Taitila"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.165,"elongation":68.675},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.165,"opposition_distance":111.325}},"eclipse_window_40days":[]},"city":{"slug":"ranchi","name":"Ranchi, Jharkhand","lat":23.3441,"lon":85.3096,"tz_offset_hours":5.5,"state":"Jharkhand","country":"IN","tier":"tier-1"},"tier2":{"city":{"slug":"ranchi","name":"Ranchi, Jharkhand","lat":23.3441,"lon":85.3096,"tz_offset_hours":5.5,"state":"Jharkhand","country":"IN","tier":"tier-1"},"sunriseLocal":"06:29","sunsetLocal":"17:36","solarNoonLocal":"12:02","dayLengthHours":11.109841837671294,"dayLengthDisplay":"11 Hours 06 Mins 35 Secs","nightLengthDisplay":"12 Hours 53 Mins 25 Secs","moonriseLocal":"10:11","moonsetLocal":"22:41","rahuKala":{"name":"Rāhu Kāla","start":"16:12","end":"17:36","startHours":16.20703982441666,"endHours":17.595770054125573,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:02","end":"13:26","startHours":12.040849135289928,"endHours":13.42957936499884,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"14:49","end":"16:12","startHours":14.818309594707749,"endHours":16.20703982441666,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:05","end":"09:27","startHours":9.07822464524425,"endHours":9.448552706499958,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:57","end":"07:15","startHours":6.948838293023918,"endHours":7.2451007420284865,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:40","end":"12:25","startHours":11.670521074034216,"endHours":12.411177196545637,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:00","end":"05:45","startHours":5.004615971431441,"endHours":5.745272093942861,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:34","end":"06:29","startHours":5.560108063315006,"endHours":6.485928216454281,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:54","end":"14:38","startHours":13.892489441568475,"endHours":14.633145564079895,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:24","end":"17:48","startHours":17.395770054125574,"endHours":17.795770054125573,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:36","end":"18:04","startHours":17.595770054125573,"endHours":18.058680130695212,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:21","end":"19:06","startHours":17.345770054125573,"endHours":19.095770054125573,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:40","end":"00:25","startHours":23.670521074034216,"endHours":24.411177196545633,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"06:29","end":"07:52","startHours":6.485928216454281,"endHours":7.874658446163192,"quality":"inauspicious"},{"name":"Chala","start":"07:52","end":"09:16","startHours":7.874658446163192,"endHours":9.263388675872104,"quality":"neutral"},{"name":"Labha","start":"09:16","end":"10:39","startHours":9.263388675872104,"endHours":10.652118905581016,"quality":"auspicious"},{"name":"Amṛta","start":"10:39","end":"12:02","startHours":10.652118905581016,"endHours":12.040849135289928,"quality":"auspicious"},{"name":"Kāla","start":"12:02","end":"13:26","startHours":12.040849135289928,"endHours":13.42957936499884,"quality":"inauspicious"},{"name":"Śubha","start":"13:26","end":"14:49","startHours":13.42957936499884,"endHours":14.818309594707749,"quality":"auspicious"},{"name":"Roga","start":"14:49","end":"16:12","startHours":14.818309594707749,"endHours":16.20703982441666,"quality":"inauspicious"},{"name":"Udveg","start":"16:12","end":"17:36","startHours":16.20703982441666,"endHours":17.595770054125573,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"17:36","end":"19:12","startHours":17.595770054125573,"endHours":19.20703982441666,"quality":"auspicious"},{"name":"Roga","start":"19:12","end":"20:49","startHours":19.20703982441666,"endHours":20.81830959470775,"quality":"inauspicious"},{"name":"Udveg","start":"20:49","end":"22:26","startHours":20.81830959470775,"endHours":22.429579364998837,"quality":"inauspicious"},{"name":"Chala","start":"22:26","end":"00:02","startHours":22.429579364998837,"endHours":24.040849135289925,"quality":"neutral"},{"name":"Labha","start":"00:02","end":"01:39","startHours":24.040849135289925,"endHours":25.652118905581013,"quality":"auspicious"},{"name":"Amṛta","start":"01:39","end":"03:16","startHours":25.652118905581013,"endHours":27.263388675872104,"quality":"auspicious"},{"name":"Kāla","start":"03:16","end":"04:52","startHours":27.263388675872104,"endHours":28.874658446163192,"quality":"inauspicious"},{"name":"Śubha","start":"04:52","end":"06:29","startHours":28.874658446163192,"endHours":30.48592821645428,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:29","end":"07:29","startHours":6.485928216454281,"endHours":7.485928216454281,"planetary_lord":"Sun"},{"name":"Hora 2","start":"07:29","end":"08:29","startHours":7.485928216454281,"endHours":8.48592821645428,"planetary_lord":"Mars"},{"name":"Hora 3","start":"08:29","end":"09:29","startHours":8.48592821645428,"endHours":9.48592821645428,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"09:29","end":"10:29","startHours":9.48592821645428,"endHours":10.48592821645428,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"10:29","end":"11:29","startHours":10.48592821645428,"endHours":11.48592821645428,"planetary_lord":"Moon"},{"name":"Hora 6","start":"11:29","end":"12:29","startHours":11.48592821645428,"endHours":12.48592821645428,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"12:29","end":"13:29","startHours":12.48592821645428,"endHours":13.48592821645428,"planetary_lord":"Venus"},{"name":"Hora 8","start":"13:29","end":"14:29","startHours":13.48592821645428,"endHours":14.48592821645428,"planetary_lord":"Sun"},{"name":"Hora 9","start":"14:29","end":"15:29","startHours":14.48592821645428,"endHours":15.48592821645428,"planetary_lord":"Mars"},{"name":"Hora 10","start":"15:29","end":"16:29","startHours":15.48592821645428,"endHours":16.48592821645428,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"16:29","end":"17:29","startHours":16.48592821645428,"endHours":17.48592821645428,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"17:29","end":"18:29","startHours":17.48592821645428,"endHours":18.48592821645428,"planetary_lord":"Moon"},{"name":"Hora 13","start":"18:29","end":"19:29","startHours":18.48592821645428,"endHours":19.48592821645428,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"19:29","end":"20:29","startHours":19.48592821645428,"endHours":20.48592821645428,"planetary_lord":"Venus"},{"name":"Hora 15","start":"20:29","end":"21:29","startHours":20.48592821645428,"endHours":21.48592821645428,"planetary_lord":"Sun"},{"name":"Hora 16","start":"21:29","end":"22:29","startHours":21.48592821645428,"endHours":22.48592821645428,"planetary_lord":"Mars"},{"name":"Hora 17","start":"22:29","end":"23:29","startHours":22.48592821645428,"endHours":23.48592821645428,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"23:29","end":"00:29","startHours":23.48592821645428,"endHours":24.48592821645428,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"00:29","end":"01:29","startHours":24.48592821645428,"endHours":25.48592821645428,"planetary_lord":"Moon"},{"name":"Hora 20","start":"01:29","end":"02:29","startHours":25.48592821645428,"endHours":26.48592821645428,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"02:29","end":"03:29","startHours":26.48592821645428,"endHours":27.48592821645428,"planetary_lord":"Venus"},{"name":"Hora 22","start":"03:29","end":"04:29","startHours":27.48592821645428,"endHours":28.48592821645428,"planetary_lord":"Sun"},{"name":"Hora 23","start":"04:29","end":"05:29","startHours":28.48592821645428,"endHours":29.48592821645428,"planetary_lord":"Mars"},{"name":"Hora 24","start":"05:29","end":"06:29","startHours":29.48592821645428,"endHours":30.48592821645428,"planetary_lord":"Jupiter"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"unfavorable_nakshatras":["Ārdrā","Punarvasu","Puṣya","Aśleṣā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Siṃha","Kanyā","Dhanu","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Mithuna","Karka","Tulā","Vṛścika","Kumbha"]},"dishaShool":"West (Paścim)","chandraVasa":"South-West","rahuVasa":"North-East","anandadiYoga":{"name":"Sushira","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":-17.10649208258282,"eotMinutes":-13.689348117395623,"ayanamsa":23.9799}},"calendars":{"vikram_samvat":2066,"vikram_samvatsara":"Śubhakṛt","saka_samvat":1931,"saka_samvatsara":"Virodhi","bengali_samvat":1416,"malayalam_era":1185,"nanakshahi_year":540,"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 Ṣaṣṭhī · Vikram 2066 Śubhakṛt · Śaka 1931 Virodhi"},"festivals":[],"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":"ranchi"},"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, 2009 CE · Ranchi, Jharkhand · Vidhyamitra","description":"February 1, 2009 CE for Ranchi, Jharkhand: Śukla Ṣaṣṭhī, sūryodaya 06:29, sūryāsta 17:36.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ranchi/2009-02-01","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ranchi/2009-02-01","sa":"https://sa.vidhyamitra.com/city/ranchi/2009-02-01","hi":"https://hi.vidhyamitra.com/city/ranchi/2009-02-01","x-default":"https://vidhyamitra.com/city/ranchi/2009-02-01"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T00:14:46.231Z","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":"2026-06-01T00:14:46.231Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T00:14:46.231Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}