{"id":"vidhyamitra:city-day:ranchi:1998-02-07:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ranchi/1998-02-07","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1998-02-07","date_display":"February 7, 1998 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":1998,"month":2,"day":7,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2450851.770833,"kali_year":5099,"ahargana":1862386.2708,"sun":{"sidereal_longitude":294.2882,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":61.8804,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":11,"name":"Ekādaśī","paksha":"Śukla","full_name":"Śukla Ekādaśī","elongation_degrees":127.5922,"elapsed_within_tithi_degrees":7.5922},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","pada":3,"moon_longitude":61.8804,"elapsed_within_degrees":8.547},"yoga":{"number":27,"name":"Vaidhṛti","sum_longitude":356.1686},"karana":{"half_tithi_index":21,"name":"Viṣṭi"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"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":1998,"month":2,"day":7,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2450851.770833,"ahargana":1862386.2708,"kali_year":5099,"ayanamsa_lahiri":23.8265,"grahas":{"sun":{"sidereal_longitude":294.228697,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":62.856596999999965,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":3},"retrograde":false,"latitude":-4.4306},"mars":{"sidereal_longitude":316.16279699999996,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":283.30329699999993,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":306.774997,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":1},"retrograde":false},"venus":{"sidereal_longitude":264.543897,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":352.089597,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":141.8129,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":321.8129,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","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":1998,"month":2,"day":7,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2450851.770833,"kali_year":5099,"ahargana":1862386.2708,"sun":{"sidereal_longitude":294.2882,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":61.8804,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":11,"name":"Ekādaśī","paksha":"Śukla","full_name":"Śukla Ekādaśī","elongation_degrees":127.5922,"elapsed_within_tithi_degrees":7.5922},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","pada":3,"moon_longitude":61.8804,"elapsed_within_degrees":8.547},"yoga":{"number":27,"name":"Vaidhṛti","sum_longitude":356.1686},"karana":{"half_tithi_index":21,"name":"Viṣṭi"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.431,"elongation":127.592},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.431,"opposition_distance":52.408}},"eclipse_window_40days":[{"offset_days":20,"type":"solar","occurs":true,"moon_latitude":0.255,"elongation":2.931}]},"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":"06:27","sunsetLocal":"17:40","solarNoonLocal":"12:03","dayLengthHours":11.21486243247098,"dayLengthDisplay":"11 Hours 12 Mins 54 Secs","nightLengthDisplay":"12 Hours 47 Mins 06 Secs","moonriseLocal":"13:52","moonsetLocal":"03:24","rahuKala":{"name":"Rāhu Kāla","start":"09:15","end":"10:39","startHours":9.248605267038364,"endHours":10.650463071097235,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:27","end":"14:51","startHours":13.45417867921498,"endHours":14.856036483273854,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"06:27","end":"07:51","startHours":6.444889658920618,"endHours":7.846747462979491,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:04","end":"09:26","startHours":9.061690893163847,"endHours":9.43551964091288,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:55","end":"07:13","startHours":6.912175593606909,"endHours":7.2112385918061355,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:41","end":"12:26","startHours":11.678492127407077,"endHours":12.426149622905141,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:57","end":"05:42","startHours":4.949574667924487,"endHours":5.697232163422553,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:31","end":"06:27","startHours":5.510317789548036,"endHours":6.444889658920618,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:55","end":"14:40","startHours":13.921464613901271,"endHours":14.669122109399337,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:28","end":"17:52","startHours":17.4597520913916,"endHours":17.8597520913916,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:40","end":"18:08","startHours":17.6597520913916,"endHours":18.12703802607789,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:25","end":"19:10","startHours":17.4097520913916,"endHours":19.1597520913916,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:41","end":"00:26","startHours":23.678492127407075,"endHours":24.426149622905143,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"06:27","end":"07:51","startHours":6.444889658920618,"endHours":7.846747462979491,"quality":"inauspicious"},{"name":"Śubha","start":"07:51","end":"09:15","startHours":7.846747462979491,"endHours":9.248605267038364,"quality":"auspicious"},{"name":"Roga","start":"09:15","end":"10:39","startHours":9.248605267038364,"endHours":10.650463071097235,"quality":"inauspicious"},{"name":"Udveg","start":"10:39","end":"12:03","startHours":10.650463071097235,"endHours":12.05232087515611,"quality":"inauspicious"},{"name":"Chala","start":"12:03","end":"13:27","startHours":12.05232087515611,"endHours":13.45417867921498,"quality":"neutral"},{"name":"Labha","start":"13:27","end":"14:51","startHours":13.45417867921498,"endHours":14.856036483273854,"quality":"auspicious"},{"name":"Amṛta","start":"14:51","end":"16:15","startHours":14.856036483273854,"endHours":16.257894287332725,"quality":"auspicious"},{"name":"Kāla","start":"16:15","end":"17:40","startHours":16.257894287332725,"endHours":17.6597520913916,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"17:40","end":"19:15","startHours":17.6597520913916,"endHours":19.257894287332725,"quality":"auspicious"},{"name":"Amṛta","start":"19:15","end":"20:51","startHours":19.257894287332725,"endHours":20.856036483273854,"quality":"auspicious"},{"name":"Kāla","start":"20:51","end":"22:27","startHours":20.856036483273854,"endHours":22.454178679214984,"quality":"inauspicious"},{"name":"Śubha","start":"22:27","end":"00:03","startHours":22.454178679214984,"endHours":24.05232087515611,"quality":"auspicious"},{"name":"Roga","start":"00:03","end":"01:39","startHours":24.05232087515611,"endHours":25.650463071097235,"quality":"inauspicious"},{"name":"Udveg","start":"01:39","end":"03:15","startHours":25.650463071097235,"endHours":27.248605267038364,"quality":"inauspicious"},{"name":"Chala","start":"03:15","end":"04:51","startHours":27.248605267038364,"endHours":28.846747462979494,"quality":"neutral"},{"name":"Labha","start":"04:51","end":"06:27","startHours":28.846747462979494,"endHours":30.44488965892062,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:27","end":"07:27","startHours":6.444889658920618,"endHours":7.444889658920618,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"07:27","end":"08:27","startHours":7.444889658920618,"endHours":8.44488965892062,"planetary_lord":"Moon"},{"name":"Hora 3","start":"08:27","end":"09:27","startHours":8.44488965892062,"endHours":9.44488965892062,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"09:27","end":"10:27","startHours":9.44488965892062,"endHours":10.44488965892062,"planetary_lord":"Venus"},{"name":"Hora 5","start":"10:27","end":"11:27","startHours":10.44488965892062,"endHours":11.44488965892062,"planetary_lord":"Sun"},{"name":"Hora 6","start":"11:27","end":"12:27","startHours":11.44488965892062,"endHours":12.44488965892062,"planetary_lord":"Mars"},{"name":"Hora 7","start":"12:27","end":"13:27","startHours":12.44488965892062,"endHours":13.44488965892062,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"13:27","end":"14:27","startHours":13.44488965892062,"endHours":14.44488965892062,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"14:27","end":"15:27","startHours":14.44488965892062,"endHours":15.44488965892062,"planetary_lord":"Moon"},{"name":"Hora 10","start":"15:27","end":"16:27","startHours":15.44488965892062,"endHours":16.44488965892062,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"16:27","end":"17:27","startHours":16.44488965892062,"endHours":17.44488965892062,"planetary_lord":"Venus"},{"name":"Hora 12","start":"17:27","end":"18:27","startHours":17.44488965892062,"endHours":18.44488965892062,"planetary_lord":"Sun"},{"name":"Hora 13","start":"18:27","end":"19:27","startHours":18.44488965892062,"endHours":19.44488965892062,"planetary_lord":"Mars"},{"name":"Hora 14","start":"19:27","end":"20:27","startHours":19.44488965892062,"endHours":20.44488965892062,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"20:27","end":"21:27","startHours":20.44488965892062,"endHours":21.44488965892062,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"21:27","end":"22:27","startHours":21.44488965892062,"endHours":22.44488965892062,"planetary_lord":"Moon"},{"name":"Hora 17","start":"22:27","end":"23:27","startHours":22.44488965892062,"endHours":23.44488965892062,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"23:27","end":"00:27","startHours":23.44488965892062,"endHours":24.44488965892062,"planetary_lord":"Venus"},{"name":"Hora 19","start":"00:27","end":"01:27","startHours":24.44488965892062,"endHours":25.44488965892062,"planetary_lord":"Sun"},{"name":"Hora 20","start":"01:27","end":"02:27","startHours":25.44488965892062,"endHours":26.44488965892062,"planetary_lord":"Mars"},{"name":"Hora 21","start":"02:27","end":"03:27","startHours":26.44488965892062,"endHours":27.44488965892062,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"03:27","end":"04:27","startHours":27.44488965892062,"endHours":28.44488965892062,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"04:27","end":"05:27","startHours":28.44488965892062,"endHours":29.44488965892062,"planetary_lord":"Moon"},{"name":"Hora 24","start":"05:27","end":"06:27","startHours":29.44488965892062,"endHours":30.44488965892062,"planetary_lord":"Mercury"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Maghā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Mithuna","Siṃha","Vṛścika","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Karka","Kanyā","Tulā","Makara","Kumbha"]},"dishaShool":"East (Pūrva)","chandraVasa":"South","rahuVasa":"East","anandadiYoga":{"name":"Ānanda","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":-15.417471612202094,"eotMinutes":-14.37765250936663,"ayanamsa":23.8265}},"calendars":{"vikram_samvat":2055,"vikram_samvatsara":"Khara","saka_samvat":1920,"saka_samvatsara":"Bahudhānya","bengali_samvat":1405,"malayalam_era":1174,"nanakshahi_year":529,"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 Ekādaśī · Vikram 2055 Khara · Śaka 1920 Bahudhānya"},"festivals":[{"id":"jaya-ekadashi","name":"Jayā Ekādaśī","name_sanskrit":"जया एकादशी","tradition":"Vaishnava","associated_deity":"Bhagavān Viṣṇu","significance":"Removes pretatva (ghost-state); grants victory.","vrata":true,"detection":{"tithi_number":11,"tithi_paksha":"Śukla","lunar_month":"Māgha"},"precedence":4},{"id":"ekadashi","name":"Ekādaśī","name_sanskrit":"एकादशी","tradition":"Vaishnava","associated_deity":"Bhagavān Viṣṇu","significance":"Sacred to Bhagavān Viṣṇu; vrata for purification.","vrata":true,"detection":{"any_of":[{"tithi_number":11},{"tithi_number":26}]},"precedence":5}],"todays_walk":{"walk":{"id":"shani-walk","name":"Śani Walk","name_sanskrit":"शनि यात्रा","type":"graha","description":"Tapas + endurance + BG 17.14-19.","step_count":7,"url":"/walk/shani-walk"},"reason":"Śanivāra (Saturday) — 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 7, 1998 CE · Ranchi, Jharkhand · Vidhyamitra","description":"February 7, 1998 CE for Ranchi, Jharkhand: Śukla Ekādaśī, sūryodaya 06:27, sūryāsta 17:40.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ranchi/1998-02-07","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ranchi/1998-02-07","sa":"https://sa.vidhyamitra.com/city/ranchi/1998-02-07","hi":"https://hi.vidhyamitra.com/city/ranchi/1998-02-07","x-default":"https://vidhyamitra.com/city/ranchi/1998-02-07"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T20:07:11.904Z","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":"2026-05-31T20:07:11.904Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T20:07:11.904Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}