{"id":"vidhyamitra:city-day:ranchi:1981-07-06:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ranchi/1981-07-06","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1981-07-06","date_display":"July 6, 1981 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":1981,"month":7,"day":6,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444791.770833,"kali_year":5083,"ahargana":1856326.2708,"sun":{"sidereal_longitude":79.9772,"rashi":3,"rashi_name":"Mithuna"},"moon":{"sidereal_longitude":134.4111,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":5,"name":"Pañcamī","paksha":"Śukla","full_name":"Śukla Pañcamī","elongation_degrees":54.4338,"elapsed_within_tithi_degrees":6.4338},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":1,"moon_longitude":134.4111,"elapsed_within_degrees":1.0777},"yoga":{"number":17,"name":"Vyatīpāta","sum_longitude":214.3883},"karana":{"half_tithi_index":9,"name":"Bālava"},"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":1981,"month":7,"day":6,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2444791.770833,"ahargana":1856326.2708,"kali_year":5083,"ayanamsa_lahiri":23.5947,"grahas":{"sun":{"sidereal_longitude":80.303133,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":1},"retrograde":false},"moon":{"sidereal_longitude":134.851433,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":1},"retrograde":false,"latitude":2.3502},"mars":{"sidereal_longitude":58.24433299999998,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":63.047233000000006,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":159.293633,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":4},"retrograde":false},"venus":{"sidereal_longitude":104.22553299999998,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":159.922233,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":102.9009,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":282.9009,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","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":1981,"month":7,"day":6,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444791.770833,"kali_year":5083,"ahargana":1856326.2708,"sun":{"sidereal_longitude":79.9772,"rashi":3,"rashi_name":"Mithuna"},"moon":{"sidereal_longitude":134.4111,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":5,"name":"Pañcamī","paksha":"Śukla","full_name":"Śukla Pañcamī","elongation_degrees":54.4338,"elapsed_within_tithi_degrees":6.4338},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":1,"moon_longitude":134.4111,"elapsed_within_degrees":1.0777},"yoga":{"number":17,"name":"Vyatīpāta","sum_longitude":214.3883},"karana":{"half_tithi_index":9,"name":"Bālava"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":2.35,"elongation":54.434},"lunar":{"type":"lunar","occurs":false,"moon_latitude":2.35,"opposition_distance":125.566}},"eclipse_window_40days":[{"offset_days":11,"type":"lunar","occurs":true,"moon_latitude":1.092,"opposition_distance":2.128}]},"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":"05:07","sunsetLocal":"18:39","solarNoonLocal":"11:53","dayLengthHours":13.521111664080827,"dayLengthDisplay":"13 Hours 31 Mins 16 Secs","nightLengthDisplay":"10 Hours 28 Mins 44 Secs","moonriseLocal":"09:14","moonsetLocal":"21:49","rahuKala":{"name":"Rāhu Kāla","start":"06:49","end":"08:30","startHours":6.814942411180458,"endHours":8.505081369190561,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"10:12","end":"11:53","startHours":10.195220327200666,"endHours":11.885359285210768,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"13:35","end":"15:16","startHours":13.57549824322087,"endHours":15.265637201230975,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:17","end":"08:44","startHours":8.279729508122546,"endHours":8.730433230258575,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:41","end":"06:03","startHours":5.688183105840389,"endHours":6.0487460835492115,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:26","end":"12:20","startHours":11.43465556307474,"endHours":12.336063007346796,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:19","end":"04:13","startHours":3.3219885646262446,"endHours":4.223396008898299,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:00","end":"05:07","startHours":3.998044147830286,"endHours":5.124803453170355,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:08","end":"15:02","startHours":14.138877895890905,"endHours":15.04028534016296,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:27","end":"18:51","startHours":18.445915117251182,"endHours":18.84591511725118,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:39","end":"19:13","startHours":18.64591511725118,"endHours":19.209294769921215,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:24","end":"20:09","startHours":18.39591511725118,"endHours":20.14591511725118,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:26","end":"00:20","startHours":23.43465556307474,"endHours":24.336063007346795,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"05:07","end":"06:49","startHours":5.124803453170355,"endHours":6.814942411180458,"quality":"auspicious"},{"name":"Kāla","start":"06:49","end":"08:30","startHours":6.814942411180458,"endHours":8.505081369190561,"quality":"inauspicious"},{"name":"Śubha","start":"08:30","end":"10:12","startHours":8.505081369190561,"endHours":10.195220327200666,"quality":"auspicious"},{"name":"Roga","start":"10:12","end":"11:53","startHours":10.195220327200666,"endHours":11.885359285210768,"quality":"inauspicious"},{"name":"Udveg","start":"11:53","end":"13:35","startHours":11.885359285210768,"endHours":13.57549824322087,"quality":"inauspicious"},{"name":"Chala","start":"13:35","end":"15:16","startHours":13.57549824322087,"endHours":15.265637201230975,"quality":"neutral"},{"name":"Labha","start":"15:16","end":"16:57","startHours":15.265637201230975,"endHours":16.95577615924108,"quality":"auspicious"},{"name":"Amṛta","start":"16:57","end":"18:39","startHours":16.95577615924108,"endHours":18.64591511725118,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"18:39","end":"19:57","startHours":18.64591511725118,"endHours":19.95577615924108,"quality":"neutral"},{"name":"Labha","start":"19:57","end":"21:16","startHours":19.95577615924108,"endHours":21.265637201230973,"quality":"auspicious"},{"name":"Amṛta","start":"21:16","end":"22:35","startHours":21.265637201230973,"endHours":22.57549824322087,"quality":"auspicious"},{"name":"Kāla","start":"22:35","end":"23:53","startHours":22.57549824322087,"endHours":23.885359285210768,"quality":"inauspicious"},{"name":"Śubha","start":"23:53","end":"01:12","startHours":23.885359285210768,"endHours":25.195220327200666,"quality":"auspicious"},{"name":"Roga","start":"01:12","end":"02:30","startHours":25.195220327200666,"endHours":26.505081369190563,"quality":"inauspicious"},{"name":"Udveg","start":"02:30","end":"03:49","startHours":26.505081369190563,"endHours":27.814942411180457,"quality":"inauspicious"},{"name":"Chala","start":"03:49","end":"05:07","startHours":27.814942411180457,"endHours":29.124803453170355,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"05:07","end":"06:07","startHours":5.124803453170355,"endHours":6.124803453170355,"planetary_lord":"Moon"},{"name":"Hora 2","start":"06:07","end":"07:07","startHours":6.124803453170355,"endHours":7.124803453170355,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"07:07","end":"08:07","startHours":7.124803453170355,"endHours":8.124803453170355,"planetary_lord":"Venus"},{"name":"Hora 4","start":"08:07","end":"09:07","startHours":8.124803453170355,"endHours":9.124803453170355,"planetary_lord":"Sun"},{"name":"Hora 5","start":"09:07","end":"10:07","startHours":9.124803453170355,"endHours":10.124803453170355,"planetary_lord":"Mars"},{"name":"Hora 6","start":"10:07","end":"11:07","startHours":10.124803453170355,"endHours":11.124803453170355,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"11:07","end":"12:07","startHours":11.124803453170355,"endHours":12.124803453170355,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"12:07","end":"13:07","startHours":12.124803453170355,"endHours":13.124803453170355,"planetary_lord":"Moon"},{"name":"Hora 9","start":"13:07","end":"14:07","startHours":13.124803453170355,"endHours":14.124803453170355,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"14:07","end":"15:07","startHours":14.124803453170355,"endHours":15.124803453170355,"planetary_lord":"Venus"},{"name":"Hora 11","start":"15:07","end":"16:07","startHours":15.124803453170355,"endHours":16.124803453170355,"planetary_lord":"Sun"},{"name":"Hora 12","start":"16:07","end":"17:07","startHours":16.124803453170355,"endHours":17.124803453170355,"planetary_lord":"Mars"},{"name":"Hora 13","start":"17:07","end":"18:07","startHours":17.124803453170355,"endHours":18.124803453170355,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"18:07","end":"19:07","startHours":18.124803453170355,"endHours":19.124803453170355,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"19:07","end":"20:07","startHours":19.124803453170355,"endHours":20.124803453170355,"planetary_lord":"Moon"},{"name":"Hora 16","start":"20:07","end":"21:07","startHours":20.124803453170355,"endHours":21.124803453170355,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"21:07","end":"22:07","startHours":21.124803453170355,"endHours":22.124803453170355,"planetary_lord":"Venus"},{"name":"Hora 18","start":"22:07","end":"23:07","startHours":22.124803453170355,"endHours":23.124803453170355,"planetary_lord":"Sun"},{"name":"Hora 19","start":"23:07","end":"00:07","startHours":23.124803453170355,"endHours":24.124803453170355,"planetary_lord":"Mars"},{"name":"Hora 20","start":"00:07","end":"01:07","startHours":24.124803453170355,"endHours":25.124803453170355,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"01:07","end":"02:07","startHours":25.124803453170355,"endHours":26.124803453170355,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"02:07","end":"03:07","startHours":26.124803453170355,"endHours":27.124803453170355,"planetary_lord":"Moon"},{"name":"Hora 23","start":"03:07","end":"04:07","startHours":27.124803453170355,"endHours":28.124803453170355,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"04:07","end":"05:07","startHours":28.124803453170355,"endHours":29.124803453170355,"planetary_lord":"Venus"}],"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":["Vṛṣabha","Mithuna","Siṃha","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Kanyā","Vṛścika","Dhanu","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"West","rahuVasa":"North-East","anandadiYoga":{"name":"Lumba","quality":"Auspicious"},"drikRitu":"Grīṣma (Summer) (Drik)","vedicRitu":"Grīṣma (Summer)","drikAyana":"Dakṣiṇāyana","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":22.711367634396865,"eotMinutes":-4.359957112646178,"ayanamsa":23.5947}},"calendars":{"vikram_samvat":2038,"vikram_samvatsara":"Bhāva","saka_samvat":1903,"saka_samvatsara":"Durmati","bengali_samvat":1388,"malayalam_era":1157,"nanakshahi_year":512,"lunar_month":"Āṣāḍha","lunar_month_paksha_full":"Āṣāḍha Śukla Pakṣa","solar_month":"Mithuna (Āni)","ritu":"Grīṣma (Summer)","display_summary":"Āṣāḍha Śukla Pañcamī · Vikram 2038 Bhāva · Śaka 1903 Durmati"},"festivals":[{"id":"mithuna-sankranti","name":"Mithuna Saṅkrānti","name_sanskrit":"मिथुन सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Gemini.","vrata":false,"detection":{"sun_rashi":"Mithuna"},"precedence":5}],"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":"ranchi"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga July 6, 1981 CE · Ranchi, Jharkhand · Vidhyamitra","description":"July 6, 1981 CE for Ranchi, Jharkhand: Śukla Pañcamī, sūryodaya 05:07, sūryāsta 18:39.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ranchi/1981-07-06","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ranchi/1981-07-06","sa":"https://sa.vidhyamitra.com/city/ranchi/1981-07-06","hi":"https://hi.vidhyamitra.com/city/ranchi/1981-07-06","x-default":"https://vidhyamitra.com/city/ranchi/1981-07-06"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-18T12:33:33.994Z","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":"2026-05-18T12:33:33.994Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-18T12:33:33.994Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}