{"id":"vidhyamitra:city-day:rishikesh:1981-07-06:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/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":"rishikesh","name":"Ṛṣikeśa","lat":30.0869,"lon":78.2676,"tz_offset_hours":5.5,"state":"Uttarakhand","country":"IN","tier":"tirtha"},"tier2":{"city":{"slug":"rishikesh","name":"Ṛṣikeśa","lat":30.0869,"lon":78.2676,"tz_offset_hours":5.5,"state":"Uttarakhand","country":"IN","tier":"tirtha"},"sunriseLocal":"05:21","sunsetLocal":"19:22","solarNoonLocal":"12:21","dayLengthHours":14.014933669264025,"dayLengthDisplay":"14 Hours 00 Mins 54 Secs","nightLengthDisplay":"9 Hours 59 Mins 06 Secs","moonriseLocal":"09:37","moonsetLocal":"22:22","rahuKala":{"name":"Rāhu Kāla","start":"07:06","end":"08:51","startHours":7.099225825903428,"endHours":8.851092534561431,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"10:36","end":"12:21","startHours":10.602959243219434,"endHours":12.354825951877437,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"14:06","end":"15:52","startHours":14.10669266053544,"endHours":15.858559369193443,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:37","end":"09:05","startHours":8.617510306740364,"endHours":9.084674762382498,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:56","end":"06:18","startHours":5.931314686798093,"endHours":6.3050462513118,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:53","end":"12:49","startHours":11.887661496235303,"endHours":12.821990407519571,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:29","end":"04:25","startHours":3.4787012946768883,"endHours":4.413030205961157,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:11","end":"05:21","startHours":4.1794479781400895,"endHours":5.347359117245425,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:41","end":"15:37","startHours":14.690648230088108,"endHours":15.624977141372376,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"19:10","end":"19:34","startHours":19.16229278650945,"endHours":19.56229278650945,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:22","end":"19:57","startHours":19.36229278650945,"endHours":19.946248356062117,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"19:07","end":"20:52","startHours":19.11229278650945,"endHours":20.86229278650945,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:53","end":"00:49","startHours":23.887661496235303,"endHours":24.82199040751957,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"05:21","end":"07:06","startHours":5.347359117245425,"endHours":7.099225825903428,"quality":"auspicious"},{"name":"Kāla","start":"07:06","end":"08:51","startHours":7.099225825903428,"endHours":8.851092534561431,"quality":"inauspicious"},{"name":"Śubha","start":"08:51","end":"10:36","startHours":8.851092534561431,"endHours":10.602959243219434,"quality":"auspicious"},{"name":"Roga","start":"10:36","end":"12:21","startHours":10.602959243219434,"endHours":12.354825951877437,"quality":"inauspicious"},{"name":"Udveg","start":"12:21","end":"14:06","startHours":12.354825951877437,"endHours":14.10669266053544,"quality":"inauspicious"},{"name":"Chala","start":"14:06","end":"15:52","startHours":14.10669266053544,"endHours":15.858559369193443,"quality":"neutral"},{"name":"Labha","start":"15:52","end":"17:37","startHours":15.858559369193443,"endHours":17.610426077851447,"quality":"auspicious"},{"name":"Amṛta","start":"17:37","end":"19:22","startHours":17.610426077851447,"endHours":19.36229278650945,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"19:22","end":"20:37","startHours":19.36229278650945,"endHours":20.610426077851447,"quality":"neutral"},{"name":"Labha","start":"20:37","end":"21:52","startHours":20.610426077851447,"endHours":21.858559369193443,"quality":"auspicious"},{"name":"Amṛta","start":"21:52","end":"23:06","startHours":21.858559369193443,"endHours":23.10669266053544,"quality":"auspicious"},{"name":"Kāla","start":"23:06","end":"00:21","startHours":23.10669266053544,"endHours":24.354825951877437,"quality":"inauspicious"},{"name":"Śubha","start":"00:21","end":"01:36","startHours":24.354825951877437,"endHours":25.602959243219434,"quality":"auspicious"},{"name":"Roga","start":"01:36","end":"02:51","startHours":25.602959243219434,"endHours":26.85109253456143,"quality":"inauspicious"},{"name":"Udveg","start":"02:51","end":"04:06","startHours":26.85109253456143,"endHours":28.099225825903428,"quality":"inauspicious"},{"name":"Chala","start":"04:06","end":"05:21","startHours":28.099225825903428,"endHours":29.347359117245425,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"05:21","end":"06:21","startHours":5.347359117245425,"endHours":6.347359117245425,"planetary_lord":"Moon"},{"name":"Hora 2","start":"06:21","end":"07:21","startHours":6.347359117245425,"endHours":7.347359117245425,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"07:21","end":"08:21","startHours":7.347359117245425,"endHours":8.347359117245425,"planetary_lord":"Venus"},{"name":"Hora 4","start":"08:21","end":"09:21","startHours":8.347359117245425,"endHours":9.347359117245425,"planetary_lord":"Sun"},{"name":"Hora 5","start":"09:21","end":"10:21","startHours":9.347359117245425,"endHours":10.347359117245425,"planetary_lord":"Mars"},{"name":"Hora 6","start":"10:21","end":"11:21","startHours":10.347359117245425,"endHours":11.347359117245425,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"11:21","end":"12:21","startHours":11.347359117245425,"endHours":12.347359117245425,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"12:21","end":"13:21","startHours":12.347359117245425,"endHours":13.347359117245425,"planetary_lord":"Moon"},{"name":"Hora 9","start":"13:21","end":"14:21","startHours":13.347359117245425,"endHours":14.347359117245425,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"14:21","end":"15:21","startHours":14.347359117245425,"endHours":15.347359117245425,"planetary_lord":"Venus"},{"name":"Hora 11","start":"15:21","end":"16:21","startHours":15.347359117245425,"endHours":16.347359117245425,"planetary_lord":"Sun"},{"name":"Hora 12","start":"16:21","end":"17:21","startHours":16.347359117245425,"endHours":17.347359117245425,"planetary_lord":"Mars"},{"name":"Hora 13","start":"17:21","end":"18:21","startHours":17.347359117245425,"endHours":18.347359117245425,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"18:21","end":"19:21","startHours":18.347359117245425,"endHours":19.347359117245425,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"19:21","end":"20:21","startHours":19.347359117245425,"endHours":20.347359117245425,"planetary_lord":"Moon"},{"name":"Hora 16","start":"20:21","end":"21:21","startHours":20.347359117245425,"endHours":21.347359117245425,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"21:21","end":"22:21","startHours":21.347359117245425,"endHours":22.347359117245425,"planetary_lord":"Venus"},{"name":"Hora 18","start":"22:21","end":"23:21","startHours":22.347359117245425,"endHours":23.347359117245425,"planetary_lord":"Sun"},{"name":"Hora 19","start":"23:21","end":"00:21","startHours":23.347359117245425,"endHours":24.347359117245425,"planetary_lord":"Mars"},{"name":"Hora 20","start":"00:21","end":"01:21","startHours":24.347359117245425,"endHours":25.347359117245425,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"01:21","end":"02:21","startHours":25.347359117245425,"endHours":26.347359117245425,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"02:21","end":"03:21","startHours":26.347359117245425,"endHours":27.347359117245425,"planetary_lord":"Moon"},{"name":"Hora 23","start":"03:21","end":"04:21","startHours":27.347359117245425,"endHours":28.347359117245425,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"04:21","end":"05:21","startHours":28.347359117245425,"endHours":29.347359117245425,"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":"rishikesh"},"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 · Ṛṣikeśa · Vidhyamitra","description":"July 6, 1981 CE for Ṛṣikeśa: Śukla Pañcamī, sūryodaya 05:21, sūryāsta 19:22.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/1981-07-06","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/1981-07-06","sa":"https://sa.vidhyamitra.com/city/rishikesh/1981-07-06","hi":"https://hi.vidhyamitra.com/city/rishikesh/1981-07-06","x-default":"https://vidhyamitra.com/city/rishikesh/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":"2026-05-18T20:55:10.253Z","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":"2026-05-18T20:55:10.253Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-18T20:55:10.253Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}