{"id":"vidhyamitra:city-day:rishikesh:1917-05-30:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/1917-05-30","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1917-05-30","date_display":"May 30, 1917 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":1917,"month":5,"day":30,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2421378.770833,"kali_year":5019,"ahargana":1832913.2708,"sun":{"sidereal_longitude":45.4263,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":148.1991,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":9,"name":"Navamī","paksha":"Śukla","full_name":"Śukla Navamī","elongation_degrees":102.7728,"elapsed_within_tithi_degrees":6.7728},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1,"moon_longitude":148.1991,"elapsed_within_degrees":1.5324},"yoga":{"number":15,"name":"Vajra","sum_longitude":193.6254},"karana":{"half_tithi_index":17,"name":"Kaulava"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"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":1917,"month":5,"day":30,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2421378.770833,"ahargana":1832913.2708,"kali_year":5019,"ayanamsa_lahiri":22.6993,"grahas":{"sun":{"sidereal_longitude":45.34858200000002,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":2},"retrograde":false},"moon":{"sidereal_longitude":146.994082,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1},"retrograde":false,"latitude":-4.0698},"mars":{"sidereal_longitude":27.01538199999999,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":28.92078200000003,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":31.01638200000002,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":2},"retrograde":false},"venus":{"sidereal_longitude":55.46588200000002,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":94.98328200000003,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":263.4343,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":83.4343,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":2},"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":1917,"month":5,"day":30,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2421378.770833,"kali_year":5019,"ahargana":1832913.2708,"sun":{"sidereal_longitude":45.4263,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":148.1991,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":9,"name":"Navamī","paksha":"Śukla","full_name":"Śukla Navamī","elongation_degrees":102.7728,"elapsed_within_tithi_degrees":6.7728},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1,"moon_longitude":148.1991,"elapsed_within_degrees":1.5324},"yoga":{"number":15,"name":"Vajra","sum_longitude":193.6254},"karana":{"half_tithi_index":17,"name":"Kaulava"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.07,"elongation":102.773},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.07,"opposition_distance":77.227}},"eclipse_window_40days":[]},"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":"05:17","sunsetLocal":"19:12","solarNoonLocal":"12:14","dayLengthHours":13.914742933831587,"dayLengthDisplay":"13 Hours 54 Mins 53 Secs","nightLengthDisplay":"10 Hours 05 Mins 07 Secs","moonriseLocal":"12:49","moonsetLocal":"01:13","rahuKala":{"name":"Rāhu Kāla","start":"12:14","end":"13:59","startHours":12.238205604472778,"endHours":13.977548471201725,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"07:01","end":"08:46","startHours":7.020177004285932,"endHours":8.75951987101488,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"10:30","end":"12:14","startHours":10.498862737743828,"endHours":12.238205604472778,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:32","end":"08:59","startHours":8.527607488784355,"endHours":8.991432253245407,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:52","end":"06:14","startHours":5.8606150931333,"endHours":6.2316749047021425,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:46","end":"12:42","startHours":11.774380840011723,"endHours":12.70203036893383,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:26","end":"04:21","startHours":3.4255350797127724,"endHours":4.353184608634878,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:07","end":"05:17","startHours":4.121272226404352,"endHours":5.280834137556984,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:33","end":"15:29","startHours":14.55732942677804,"endHours":15.484978955700145,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"19:00","end":"19:24","startHours":18.99557707138857,"endHours":19.39557707138857,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:12","end":"19:47","startHours":19.19557707138857,"endHours":19.775358026964884,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:57","end":"20:42","startHours":18.94557707138857,"endHours":20.69557707138857,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:46","end":"00:42","startHours":23.774380840011723,"endHours":24.702030368933826,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Labha","start":"05:17","end":"07:01","startHours":5.280834137556984,"endHours":7.020177004285932,"quality":"auspicious"},{"name":"Amṛta","start":"07:01","end":"08:46","startHours":7.020177004285932,"endHours":8.75951987101488,"quality":"auspicious"},{"name":"Kāla","start":"08:46","end":"10:30","startHours":8.75951987101488,"endHours":10.498862737743828,"quality":"inauspicious"},{"name":"Śubha","start":"10:30","end":"12:14","startHours":10.498862737743828,"endHours":12.238205604472778,"quality":"auspicious"},{"name":"Roga","start":"12:14","end":"13:59","startHours":12.238205604472778,"endHours":13.977548471201725,"quality":"inauspicious"},{"name":"Udveg","start":"13:59","end":"15:43","startHours":13.977548471201725,"endHours":15.716891337930672,"quality":"inauspicious"},{"name":"Chala","start":"15:43","end":"17:27","startHours":15.716891337930672,"endHours":17.456234204659623,"quality":"neutral"},{"name":"Labha","start":"17:27","end":"19:12","startHours":17.456234204659623,"endHours":19.19557707138857,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Udveg","start":"19:12","end":"20:27","startHours":19.19557707138857,"endHours":20.456234204659623,"quality":"inauspicious"},{"name":"Chala","start":"20:27","end":"21:43","startHours":20.456234204659623,"endHours":21.716891337930672,"quality":"neutral"},{"name":"Labha","start":"21:43","end":"22:59","startHours":21.716891337930672,"endHours":22.977548471201725,"quality":"auspicious"},{"name":"Amṛta","start":"22:59","end":"00:14","startHours":22.977548471201725,"endHours":24.238205604472775,"quality":"auspicious"},{"name":"Kāla","start":"00:14","end":"01:30","startHours":24.238205604472775,"endHours":25.498862737743828,"quality":"inauspicious"},{"name":"Śubha","start":"01:30","end":"02:46","startHours":25.498862737743828,"endHours":26.75951987101488,"quality":"auspicious"},{"name":"Roga","start":"02:46","end":"04:01","startHours":26.75951987101488,"endHours":28.020177004285934,"quality":"inauspicious"},{"name":"Udveg","start":"04:01","end":"05:17","startHours":28.020177004285934,"endHours":29.280834137556983,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:17","end":"06:17","startHours":5.280834137556984,"endHours":6.280834137556984,"planetary_lord":"Mercury"},{"name":"Hora 2","start":"06:17","end":"07:17","startHours":6.280834137556984,"endHours":7.280834137556984,"planetary_lord":"Venus"},{"name":"Hora 3","start":"07:17","end":"08:17","startHours":7.280834137556984,"endHours":8.280834137556983,"planetary_lord":"Sun"},{"name":"Hora 4","start":"08:17","end":"09:17","startHours":8.280834137556983,"endHours":9.280834137556983,"planetary_lord":"Mars"},{"name":"Hora 5","start":"09:17","end":"10:17","startHours":9.280834137556983,"endHours":10.280834137556983,"planetary_lord":"Jupiter"},{"name":"Hora 6","start":"10:17","end":"11:17","startHours":10.280834137556983,"endHours":11.280834137556983,"planetary_lord":"Saturn"},{"name":"Hora 7","start":"11:17","end":"12:17","startHours":11.280834137556983,"endHours":12.280834137556983,"planetary_lord":"Moon"},{"name":"Hora 8","start":"12:17","end":"13:17","startHours":12.280834137556983,"endHours":13.280834137556983,"planetary_lord":"Mercury"},{"name":"Hora 9","start":"13:17","end":"14:17","startHours":13.280834137556983,"endHours":14.280834137556983,"planetary_lord":"Venus"},{"name":"Hora 10","start":"14:17","end":"15:17","startHours":14.280834137556983,"endHours":15.280834137556983,"planetary_lord":"Sun"},{"name":"Hora 11","start":"15:17","end":"16:17","startHours":15.280834137556983,"endHours":16.280834137556983,"planetary_lord":"Mars"},{"name":"Hora 12","start":"16:17","end":"17:17","startHours":16.280834137556983,"endHours":17.280834137556983,"planetary_lord":"Jupiter"},{"name":"Hora 13","start":"17:17","end":"18:17","startHours":17.280834137556983,"endHours":18.280834137556983,"planetary_lord":"Saturn"},{"name":"Hora 14","start":"18:17","end":"19:17","startHours":18.280834137556983,"endHours":19.280834137556983,"planetary_lord":"Moon"},{"name":"Hora 15","start":"19:17","end":"20:17","startHours":19.280834137556983,"endHours":20.280834137556983,"planetary_lord":"Mercury"},{"name":"Hora 16","start":"20:17","end":"21:17","startHours":20.280834137556983,"endHours":21.280834137556983,"planetary_lord":"Venus"},{"name":"Hora 17","start":"21:17","end":"22:17","startHours":21.280834137556983,"endHours":22.280834137556983,"planetary_lord":"Sun"},{"name":"Hora 18","start":"22:17","end":"23:17","startHours":22.280834137556983,"endHours":23.280834137556983,"planetary_lord":"Mars"},{"name":"Hora 19","start":"23:17","end":"00:17","startHours":23.280834137556983,"endHours":24.280834137556983,"planetary_lord":"Jupiter"},{"name":"Hora 20","start":"00:17","end":"01:17","startHours":24.280834137556983,"endHours":25.280834137556983,"planetary_lord":"Saturn"},{"name":"Hora 21","start":"01:17","end":"02:17","startHours":25.280834137556983,"endHours":26.280834137556983,"planetary_lord":"Moon"},{"name":"Hora 22","start":"02:17","end":"03:17","startHours":26.280834137556983,"endHours":27.280834137556983,"planetary_lord":"Mercury"},{"name":"Hora 23","start":"03:17","end":"04:17","startHours":27.280834137556983,"endHours":28.280834137556983,"planetary_lord":"Venus"},{"name":"Hora 24","start":"04:17","end":"05:17","startHours":28.280834137556983,"endHours":29.280834137556983,"planetary_lord":"Sun"}],"taraBala":{"favorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Hasta","Citrā","Svātī","Viśākhā","Anurādhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","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":"North (Uttara)","chandraVasa":"West","rahuVasa":"South-West","anandadiYoga":{"name":"Mātaṇga","quality":"Auspicious"},"tropicalRitu":"Grīṣma (Summer) (tropical)","vedicRitu":"Vasanta (Spring)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":21.647516092505956,"eotMinutes":2.6372637316334417,"ayanamsa":22.6993}},"calendars":{"vikram_samvat":1974,"vikram_samvatsara":"Pramoda","saka_samvat":1839,"saka_samvatsara":"Piṅgala","bengali_samvat":1324,"malayalam_era":1093,"nanakshahi_year":448,"lunar_month":"Jyeṣṭha","lunar_month_paksha_full":"Jyeṣṭha Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Jyeṣṭha","lunar_month_amanta":"Jyeṣṭha","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Vṛṣabha (Vaikāsi)","ritu":"Grīṣma (Summer)","display_summary":"Jyeṣṭha Śukla Navamī · Vikram 1974 Pramoda · Śaka 1839 Piṅgala"},"festivals":[],"todays_walk":{"walk":{"id":"budha-walk","name":"Budha Walk","name_sanskrit":"बुध यात्रा","type":"graha","description":"Discrimination + BG 2.41 (vyavasāyātmikā buddhi).","step_count":6,"url":"/walk/budha-walk"},"reason":"Budhavāra (Wednesday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-1626101-04-03","event":"Bhagavān Rāma's birth at Ayodhyā","chart_id":"rama","shared_marker":"same Śukla Navamī","url":"/day/-1626101-04-03","relevance":0.5}]},"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 May 30, 1917 CE · Ṛṣikeśa · Vidhyamitra","description":"May 30, 1917 CE for Ṛṣikeśa: Śukla Navamī, sūryodaya 05:17, sūryāsta 19:12.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/1917-05-30","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/1917-05-30","sa":"https://sa.vidhyamitra.com/city/rishikesh/1917-05-30","hi":"https://hi.vidhyamitra.com/city/rishikesh/1917-05-30","x-default":"https://vidhyamitra.com/city/rishikesh/1917-05-30"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T15:02:24.202Z","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":"2026-05-31T15:02:24.202Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T15:02:24.202Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}