{"id":"vidhyamitra:city-day:rishikesh:1988-07-24:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/1988-07-24","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1988-07-24","date_display":"July 24, 1988 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":1988,"month":7,"day":24,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2447366.770833,"kali_year":5090,"ahargana":1858901.2708,"sun":{"sidereal_longitude":97.2085,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":212.5025,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":10,"name":"Daśamī","paksha":"Śukla","full_name":"Śukla Daśamī","elongation_degrees":115.294,"elapsed_within_tithi_degrees":7.294},"nakshatra":{"number":16,"name":"Viśākhā","pada":4,"moon_longitude":212.5025,"elapsed_within_degrees":12.5025},"yoga":{"number":24,"name":"Śukla","sum_longitude":309.711},"karana":{"half_tithi_index":19,"name":"Gara"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"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":1988,"month":7,"day":24,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2447366.770833,"ahargana":1858901.2708,"kali_year":5090,"ayanamsa_lahiri":23.6932,"grahas":{"sun":{"sidereal_longitude":97.67094900000001,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":2},"retrograde":false},"moon":{"sidereal_longitude":210.44534900000008,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":16,"name":"Viśākhā","pada":4},"retrograde":false,"latitude":-4.1115},"mars":{"sidereal_longitude":340.769749,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":3},"retrograde":true},"mercury":{"sidereal_longitude":86.48384899999996,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":37.202548999999976,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":4},"retrograde":false},"venus":{"sidereal_longitude":56.50604900000002,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":243.02104900000006,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":1},"retrograde":true},"rahu":{"sidereal_longitude":326.465,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":146.465,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":4},"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":1988,"month":7,"day":24,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2447366.770833,"kali_year":5090,"ahargana":1858901.2708,"sun":{"sidereal_longitude":97.2085,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":212.5025,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":10,"name":"Daśamī","paksha":"Śukla","full_name":"Śukla Daśamī","elongation_degrees":115.294,"elapsed_within_tithi_degrees":7.294},"nakshatra":{"number":16,"name":"Viśākhā","pada":4,"moon_longitude":212.5025,"elapsed_within_degrees":12.5025},"yoga":{"number":24,"name":"Śukla","sum_longitude":309.711},"karana":{"half_tithi_index":19,"name":"Gara"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.111,"elongation":115.294},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.111,"opposition_distance":64.706}},"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":"05:31","sunsetLocal":"19:16","solarNoonLocal":"12:23","dayLengthHours":13.7498817635188,"dayLengthDisplay":"13 Hours 45 Mins 00 Secs","nightLengthDisplay":"10 Hours 15 Mins 00 Secs","moonriseLocal":"14:37","moonsetLocal":"01:12","rahuKala":{"name":"Rāhu Kāla","start":"17:32","end":"19:16","startHours":17.541035161171525,"endHours":19.259770381611375,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:23","end":"14:06","startHours":12.384829499851975,"endHours":14.103564720291825,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"15:49","end":"17:32","startHours":15.822299940731675,"endHours":17.541035161171525,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:43","end":"09:11","startHours":8.718194362913628,"endHours":9.176523755030923,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:05","end":"06:27","startHours":6.082800358239192,"endHours":6.449463871933027,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:56","end":"12:51","startHours":11.92650010773468,"endHours":12.843158891969269,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:41","end":"04:36","startHours":3.6765710496234023,"endHours":4.593229833857989,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:22","end":"05:31","startHours":4.364065137799342,"endHours":5.5098886180925755,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:41","end":"15:36","startHours":14.676476460438444,"endHours":15.59313524467303,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"19:04","end":"19:28","startHours":19.059770381611376,"endHours":19.459770381611374,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:16","end":"19:50","startHours":19.259770381611375,"endHours":19.83268212175799,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"19:01","end":"20:46","startHours":19.009770381611375,"endHours":20.759770381611375,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:56","end":"00:51","startHours":23.926500107734682,"endHours":24.843158891969267,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"05:31","end":"07:14","startHours":5.5098886180925755,"endHours":7.2286238385324255,"quality":"inauspicious"},{"name":"Chala","start":"07:14","end":"08:57","startHours":7.2286238385324255,"endHours":8.947359058972275,"quality":"neutral"},{"name":"Labha","start":"08:57","end":"10:40","startHours":8.947359058972275,"endHours":10.666094279412125,"quality":"auspicious"},{"name":"Amṛta","start":"10:40","end":"12:23","startHours":10.666094279412125,"endHours":12.384829499851975,"quality":"auspicious"},{"name":"Kāla","start":"12:23","end":"14:06","startHours":12.384829499851975,"endHours":14.103564720291825,"quality":"inauspicious"},{"name":"Śubha","start":"14:06","end":"15:49","startHours":14.103564720291825,"endHours":15.822299940731675,"quality":"auspicious"},{"name":"Roga","start":"15:49","end":"17:32","startHours":15.822299940731675,"endHours":17.541035161171525,"quality":"inauspicious"},{"name":"Udveg","start":"17:32","end":"19:16","startHours":17.541035161171525,"endHours":19.259770381611375,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"19:16","end":"20:32","startHours":19.259770381611375,"endHours":20.541035161171525,"quality":"auspicious"},{"name":"Roga","start":"20:32","end":"21:49","startHours":20.541035161171525,"endHours":21.822299940731675,"quality":"inauspicious"},{"name":"Udveg","start":"21:49","end":"23:06","startHours":21.822299940731675,"endHours":23.103564720291825,"quality":"inauspicious"},{"name":"Chala","start":"23:06","end":"00:23","startHours":23.103564720291825,"endHours":24.384829499851975,"quality":"neutral"},{"name":"Labha","start":"00:23","end":"01:40","startHours":24.384829499851975,"endHours":25.666094279412125,"quality":"auspicious"},{"name":"Amṛta","start":"01:40","end":"02:57","startHours":25.666094279412125,"endHours":26.947359058972275,"quality":"auspicious"},{"name":"Kāla","start":"02:57","end":"04:14","startHours":26.947359058972275,"endHours":28.228623838532425,"quality":"inauspicious"},{"name":"Śubha","start":"04:14","end":"05:31","startHours":28.228623838532425,"endHours":29.509888618092575,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:31","end":"06:31","startHours":5.5098886180925755,"endHours":6.5098886180925755,"planetary_lord":"Sun"},{"name":"Hora 2","start":"06:31","end":"07:31","startHours":6.5098886180925755,"endHours":7.5098886180925755,"planetary_lord":"Mars"},{"name":"Hora 3","start":"07:31","end":"08:31","startHours":7.5098886180925755,"endHours":8.509888618092575,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"08:31","end":"09:31","startHours":8.509888618092575,"endHours":9.509888618092575,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"09:31","end":"10:31","startHours":9.509888618092575,"endHours":10.509888618092575,"planetary_lord":"Moon"},{"name":"Hora 6","start":"10:31","end":"11:31","startHours":10.509888618092575,"endHours":11.509888618092575,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"11:31","end":"12:31","startHours":11.509888618092575,"endHours":12.509888618092575,"planetary_lord":"Venus"},{"name":"Hora 8","start":"12:31","end":"13:31","startHours":12.509888618092575,"endHours":13.509888618092575,"planetary_lord":"Sun"},{"name":"Hora 9","start":"13:31","end":"14:31","startHours":13.509888618092575,"endHours":14.509888618092575,"planetary_lord":"Mars"},{"name":"Hora 10","start":"14:31","end":"15:31","startHours":14.509888618092575,"endHours":15.509888618092575,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"15:31","end":"16:31","startHours":15.509888618092575,"endHours":16.509888618092575,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"16:31","end":"17:31","startHours":16.509888618092575,"endHours":17.509888618092575,"planetary_lord":"Moon"},{"name":"Hora 13","start":"17:31","end":"18:31","startHours":17.509888618092575,"endHours":18.509888618092575,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"18:31","end":"19:31","startHours":18.509888618092575,"endHours":19.509888618092575,"planetary_lord":"Venus"},{"name":"Hora 15","start":"19:31","end":"20:31","startHours":19.509888618092575,"endHours":20.509888618092575,"planetary_lord":"Sun"},{"name":"Hora 16","start":"20:31","end":"21:31","startHours":20.509888618092575,"endHours":21.509888618092575,"planetary_lord":"Mars"},{"name":"Hora 17","start":"21:31","end":"22:31","startHours":21.509888618092575,"endHours":22.509888618092575,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"22:31","end":"23:31","startHours":22.509888618092575,"endHours":23.509888618092575,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"23:31","end":"00:31","startHours":23.509888618092575,"endHours":24.509888618092575,"planetary_lord":"Moon"},{"name":"Hora 20","start":"00:31","end":"01:31","startHours":24.509888618092575,"endHours":25.509888618092575,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"01:31","end":"02:31","startHours":25.509888618092575,"endHours":26.509888618092575,"planetary_lord":"Venus"},{"name":"Hora 22","start":"02:31","end":"03:31","startHours":26.509888618092575,"endHours":27.509888618092575,"planetary_lord":"Sun"},{"name":"Hora 23","start":"03:31","end":"04:31","startHours":27.509888618092575,"endHours":28.509888618092575,"planetary_lord":"Mars"},{"name":"Hora 24","start":"04:31","end":"05:31","startHours":28.509888618092575,"endHours":29.509888618092575,"planetary_lord":"Jupiter"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Hasta","Citrā","Svātī","Viśākhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Kanyā","Vṛścika","Makara"],"unfavorable_rashis":["Mithuna","Karka","Tulā","Dhanu","Kumbha","Mīna"]},"dishaShool":"West (Paścim)","chandraVasa":"North-East","rahuVasa":"North-East","anandadiYoga":{"name":"Utpāta","quality":"Inauspicious"},"tropicalRitu":"Varṣā (Monsoon) (tropical)","vedicRitu":"Grīṣma (Summer)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":19.853386374438852,"eotMinutes":-6.160169991118456,"ayanamsa":23.6932}},"calendars":{"vikram_samvat":2045,"vikram_samvatsara":"Vṛṣa","saka_samvat":1910,"saka_samvatsara":"Vibhava","bengali_samvat":1395,"malayalam_era":1164,"nanakshahi_year":519,"lunar_month":"Āṣāḍha","lunar_month_paksha_full":"Āṣāḍha Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Āṣāḍha","lunar_month_amanta":"Āṣāḍha","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Karkaṭa (Āḍi)","ritu":"Grīṣma (Summer)","display_summary":"Āṣāḍha Śukla Daśamī · Vikram 2045 Vṛṣa · Śaka 1910 Vibhava"},"festivals":[],"todays_walk":{"walk":{"id":"surya-walk","name":"Sūrya Walk","name_sanskrit":"सूर्य यात्रा","type":"graha","description":"Self-illumination + BG 4.1 (Sun-lineage of Gītā transmission).","step_count":6,"url":"/walk/surya-walk"},"reason":"Ravivāra (Sunday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-0562-04-11","event":"Bhagavān Buddha's birth at Lumbinī","chart_id":"buddha","shared_marker":"same Viśākhā","url":"/day/-0562-04-11","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 July 24, 1988 CE · Ṛṣikeśa · Vidhyamitra","description":"July 24, 1988 CE for Ṛṣikeśa: Śukla Daśamī, sūryodaya 05:31, sūryāsta 19:16.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/1988-07-24","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/1988-07-24","sa":"https://sa.vidhyamitra.com/city/rishikesh/1988-07-24","hi":"https://hi.vidhyamitra.com/city/rishikesh/1988-07-24","x-default":"https://vidhyamitra.com/city/rishikesh/1988-07-24"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T20:38:38.817Z","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":"2026-06-01T20:38:38.817Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T20:38:38.817Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}