{"id":"vidhyamitra:city-day:rishikesh:2009-07-11:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/2009-07-11","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2009-07-11","date_display":"July 11, 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":7,"day":11,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2455023.770833,"kali_year":5111,"ahargana":1866558.2708,"sun":{"sidereal_longitude":84.4782,"rashi":3,"rashi_name":"Mithuna"},"moon":{"sidereal_longitude":307.8209,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":19,"name":"Caturthī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturthī","elongation_degrees":223.3427,"elapsed_within_tithi_degrees":7.3427},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":1,"moon_longitude":307.8209,"elapsed_within_degrees":1.1542},"yoga":{"number":3,"name":"Āyuṣmān","sum_longitude":32.2991},"karana":{"half_tithi_index":37,"name":"Bālava"},"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":2009,"month":7,"day":11,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2455023.770833,"ahargana":1866558.2708,"kali_year":5111,"ayanamsa_lahiri":23.986,"grahas":{"sun":{"sidereal_longitude":84.90339599999999,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":2},"retrograde":false},"moon":{"sidereal_longitude":304.63149599999997,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":4},"retrograde":false,"latitude":2.0455},"mars":{"sidereal_longitude":35.120295999999996,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":81.085196,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":302.35849600000006,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":3},"retrograde":true},"venus":{"sidereal_longitude":42.098096,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":143.14599599999997,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":280.7603,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":100.7603,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":3},"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":7,"day":11,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2455023.770833,"kali_year":5111,"ahargana":1866558.2708,"sun":{"sidereal_longitude":84.4782,"rashi":3,"rashi_name":"Mithuna"},"moon":{"sidereal_longitude":307.8209,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":19,"name":"Caturthī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturthī","elongation_degrees":223.3427,"elapsed_within_tithi_degrees":7.3427},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":1,"moon_longitude":307.8209,"elapsed_within_degrees":1.1542},"yoga":{"number":3,"name":"Āyuṣmān","sum_longitude":32.2991},"karana":{"half_tithi_index":37,"name":"Bālava"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":2.046,"elongation":136.657},"lunar":{"type":"lunar","occurs":false,"moon_latitude":2.046,"opposition_distance":43.343}},"eclipse_window_40days":[{"offset_days":11,"type":"solar","occurs":true,"moon_latitude":0.483,"elongation":0.894}]},"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":"05:23","sunsetLocal":"19:21","solarNoonLocal":"12:22","dayLengthHours":13.957637745141295,"dayLengthDisplay":"13 Hours 57 Mins 27 Secs","nightLengthDisplay":"10 Hours 02 Mins 33 Secs","moonriseLocal":"21:26","moonsetLocal":"08:36","rahuKala":{"name":"Rāhu Kāla","start":"08:53","end":"10:37","startHours":8.87790074354622,"endHours":10.622605461688881,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"14:07","end":"15:51","startHours":14.112014897974205,"endHours":15.856719616116866,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"05:23","end":"07:08","startHours":5.388491307260896,"endHours":7.133196025403558,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:39","end":"09:07","startHours":8.645273447793866,"endHours":9.110528039298575,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:58","end":"06:21","startHours":5.970059546641783,"endHours":6.3422632198455515,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:54","end":"12:50","startHours":11.902055588326833,"endHours":12.832564771336253,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:32","end":"04:27","startHours":3.5274729412420567,"endHours":4.457982124251476,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:14","end":"05:23","startHours":4.225354828499121,"endHours":5.388491307260896,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:42","end":"15:37","startHours":14.693583137355093,"endHours":15.624092320364513,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"19:09","end":"19:33","startHours":19.14612905240219,"endHours":19.54612905240219,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:21","end":"19:56","startHours":19.34612905240219,"endHours":19.927697291783076,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"19:06","end":"20:51","startHours":19.09612905240219,"endHours":20.84612905240219,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:54","end":"00:50","startHours":23.90205558832683,"endHours":24.83256477133625,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"05:23","end":"07:08","startHours":5.388491307260896,"endHours":7.133196025403558,"quality":"inauspicious"},{"name":"Śubha","start":"07:08","end":"08:53","startHours":7.133196025403558,"endHours":8.87790074354622,"quality":"auspicious"},{"name":"Roga","start":"08:53","end":"10:37","startHours":8.87790074354622,"endHours":10.622605461688881,"quality":"inauspicious"},{"name":"Udveg","start":"10:37","end":"12:22","startHours":10.622605461688881,"endHours":12.367310179831543,"quality":"inauspicious"},{"name":"Chala","start":"12:22","end":"14:07","startHours":12.367310179831543,"endHours":14.112014897974205,"quality":"neutral"},{"name":"Labha","start":"14:07","end":"15:51","startHours":14.112014897974205,"endHours":15.856719616116866,"quality":"auspicious"},{"name":"Amṛta","start":"15:51","end":"17:36","startHours":15.856719616116866,"endHours":17.601424334259526,"quality":"auspicious"},{"name":"Kāla","start":"17:36","end":"19:21","startHours":17.601424334259526,"endHours":19.34612905240219,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"19:21","end":"20:36","startHours":19.34612905240219,"endHours":20.60142433425953,"quality":"auspicious"},{"name":"Amṛta","start":"20:36","end":"21:51","startHours":20.60142433425953,"endHours":21.856719616116866,"quality":"auspicious"},{"name":"Kāla","start":"21:51","end":"23:07","startHours":21.856719616116866,"endHours":23.112014897974205,"quality":"inauspicious"},{"name":"Śubha","start":"23:07","end":"00:22","startHours":23.112014897974205,"endHours":24.36731017983154,"quality":"auspicious"},{"name":"Roga","start":"00:22","end":"01:37","startHours":24.36731017983154,"endHours":25.62260546168888,"quality":"inauspicious"},{"name":"Udveg","start":"01:37","end":"02:53","startHours":25.62260546168888,"endHours":26.87790074354622,"quality":"inauspicious"},{"name":"Chala","start":"02:53","end":"04:08","startHours":26.87790074354622,"endHours":28.133196025403556,"quality":"neutral"},{"name":"Labha","start":"04:08","end":"05:23","startHours":28.133196025403556,"endHours":29.388491307260896,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:23","end":"06:23","startHours":5.388491307260896,"endHours":6.388491307260896,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"06:23","end":"07:23","startHours":6.388491307260896,"endHours":7.388491307260896,"planetary_lord":"Moon"},{"name":"Hora 3","start":"07:23","end":"08:23","startHours":7.388491307260896,"endHours":8.388491307260896,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"08:23","end":"09:23","startHours":8.388491307260896,"endHours":9.388491307260896,"planetary_lord":"Venus"},{"name":"Hora 5","start":"09:23","end":"10:23","startHours":9.388491307260896,"endHours":10.388491307260896,"planetary_lord":"Sun"},{"name":"Hora 6","start":"10:23","end":"11:23","startHours":10.388491307260896,"endHours":11.388491307260896,"planetary_lord":"Mars"},{"name":"Hora 7","start":"11:23","end":"12:23","startHours":11.388491307260896,"endHours":12.388491307260896,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"12:23","end":"13:23","startHours":12.388491307260896,"endHours":13.388491307260896,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"13:23","end":"14:23","startHours":13.388491307260896,"endHours":14.388491307260896,"planetary_lord":"Moon"},{"name":"Hora 10","start":"14:23","end":"15:23","startHours":14.388491307260896,"endHours":15.388491307260896,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"15:23","end":"16:23","startHours":15.388491307260896,"endHours":16.388491307260896,"planetary_lord":"Venus"},{"name":"Hora 12","start":"16:23","end":"17:23","startHours":16.388491307260896,"endHours":17.388491307260896,"planetary_lord":"Sun"},{"name":"Hora 13","start":"17:23","end":"18:23","startHours":17.388491307260896,"endHours":18.388491307260896,"planetary_lord":"Mars"},{"name":"Hora 14","start":"18:23","end":"19:23","startHours":18.388491307260896,"endHours":19.388491307260896,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"19:23","end":"20:23","startHours":19.388491307260896,"endHours":20.388491307260896,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"20:23","end":"21:23","startHours":20.388491307260896,"endHours":21.388491307260896,"planetary_lord":"Moon"},{"name":"Hora 17","start":"21:23","end":"22:23","startHours":21.388491307260896,"endHours":22.388491307260896,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"22:23","end":"23:23","startHours":22.388491307260896,"endHours":23.388491307260896,"planetary_lord":"Venus"},{"name":"Hora 19","start":"23:23","end":"00:23","startHours":23.388491307260896,"endHours":24.388491307260896,"planetary_lord":"Sun"},{"name":"Hora 20","start":"00:23","end":"01:23","startHours":24.388491307260896,"endHours":25.388491307260896,"planetary_lord":"Mars"},{"name":"Hora 21","start":"01:23","end":"02:23","startHours":25.388491307260896,"endHours":26.388491307260896,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"02:23","end":"03:23","startHours":26.388491307260896,"endHours":27.388491307260896,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"03:23","end":"04:23","startHours":27.388491307260896,"endHours":28.388491307260896,"planetary_lord":"Moon"},{"name":"Hora 24","start":"04:23","end":"05:23","startHours":28.388491307260896,"endHours":29.388491307260896,"planetary_lord":"Mercury"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Punarvasu","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Uttara Phalgunī","Hasta","Citrā","Svātī","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Karka","Siṃha","Vṛścika","Dhanu","Kumbha"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Tulā","Makara","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"South","rahuVasa":"East","anandadiYoga":{"name":"Śubha","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":22.10546868706008,"eotMinutes":-5.10901078989257,"ayanamsa":23.986}},"calendars":{"vikram_samvat":2066,"vikram_samvatsara":"Śubhakṛt","saka_samvat":1931,"saka_samvatsara":"Virodhi","bengali_samvat":1416,"malayalam_era":1185,"nanakshahi_year":540,"lunar_month":"Āṣāḍha","lunar_month_paksha_full":"Āṣāḍha Kṛṣṇa Pakṣa","solar_month":"Mithuna (Āni)","ritu":"Grīṣma (Summer)","display_summary":"Āṣāḍha Kṛṣṇa Caturthī · Vikram 2066 Śubhakṛt · Śaka 1931 Virodhi"},"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},{"id":"sankashti-chaturthi","name":"Saṅkaṣṭī Caturthī","name_sanskrit":"सङ्कष्टी चतुर्थी","tradition":"Pan-Hindu","associated_deity":"Gaṇeśa","significance":"Monthly Gaṇeśa vrata.","vrata":true,"detection":{"tithi_number":19,"tithi_paksha":"Kṛṣṇa"},"precedence":6}],"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":"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 11, 2009 CE · Ṛṣikeśa · Vidhyamitra","description":"July 11, 2009 CE for Ṛṣikeśa: Kṛṣṇa Caturthī, sūryodaya 05:23, sūryāsta 19:21.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/2009-07-11","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/2009-07-11","sa":"https://sa.vidhyamitra.com/city/rishikesh/2009-07-11","hi":"https://hi.vidhyamitra.com/city/rishikesh/2009-07-11","x-default":"https://vidhyamitra.com/city/rishikesh/2009-07-11"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-17T04:47:30.731Z","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":"2026-05-17T04:47:30.731Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-17T04:47:30.731Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}