{"id":"vidhyamitra:city-day:noida:2181-01-28:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/noida/2181-01-28","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2181-01-28","date_display":"January 28, 2181 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":2181,"month":1,"day":28,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2517681.770833,"kali_year":5282,"ahargana":1929216.2708,"sun":{"sidereal_longitude":281.6669,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":69.4937,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":13,"name":"Trayodaśī","paksha":"Śukla","full_name":"Śukla Trayodaśī","elongation_degrees":147.8268,"elapsed_within_tithi_degrees":3.8268},"nakshatra":{"number":6,"name":"Ārdrā","pada":1,"moon_longitude":69.4937,"elapsed_within_degrees":2.827},"yoga":{"number":27,"name":"Vaidhṛti","sum_longitude":351.1606},"karana":{"half_tithi_index":24,"name":"Kaulava"},"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":2181,"month":1,"day":28,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2517681.770833,"ahargana":1929216.2708,"kali_year":5282,"ayanamsa_lahiri":26.3825,"grahas":{"sun":{"sidereal_longitude":282.1177990000001,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":1},"retrograde":false},"moon":{"sidereal_longitude":70.92859899999996,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":2},"retrograde":false,"latitude":-3.3769},"mars":{"sidereal_longitude":46.202698999999996,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":254.86389899999995,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":110.03589899999997,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":2},"retrograde":true},"venus":{"sidereal_longitude":277.6830990000001,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":77.08669900000001,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":4},"retrograde":true},"rahu":{"sidereal_longitude":200.8379,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":20.8379,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","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":2181,"month":1,"day":28,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2517681.770833,"kali_year":5282,"ahargana":1929216.2708,"sun":{"sidereal_longitude":281.6669,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":69.4937,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":13,"name":"Trayodaśī","paksha":"Śukla","full_name":"Śukla Trayodaśī","elongation_degrees":147.8268,"elapsed_within_tithi_degrees":3.8268},"nakshatra":{"number":6,"name":"Ārdrā","pada":1,"moon_longitude":69.4937,"elapsed_within_degrees":2.827},"yoga":{"number":27,"name":"Vaidhṛti","sum_longitude":351.1606},"karana":{"half_tithi_index":24,"name":"Kaulava"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-3.377,"elongation":147.827},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-3.377,"opposition_distance":32.173}},"eclipse_window_40days":[]},"city":{"slug":"noida","name":"Noida, Uttar Pradesh","lat":28.5355,"lon":77.391,"tz_offset_hours":5.5,"state":"Uttar Pradesh","country":"IN","tier":"tier-1"},"tier2":{"city":{"slug":"noida","name":"Noida, Uttar Pradesh","lat":28.5355,"lon":77.391,"tz_offset_hours":5.5,"state":"Uttar Pradesh","country":"IN","tier":"tier-1"},"sunriseLocal":"07:10","sunsetLocal":"17:56","solarNoonLocal":"12:33","dayLengthHours":10.76708543370215,"dayLengthDisplay":"10 Hours 46 Mins 02 Secs","nightLengthDisplay":"13 Hours 13 Mins 58 Secs","moonriseLocal":"15:32","moonsetLocal":"05:26","rahuKala":{"name":"Rāhu Kāla","start":"16:36","end":"17:56","startHours":16.594500904886072,"endHours":17.94038658409884,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:33","end":"13:54","startHours":12.556843867247764,"endHours":13.902729546460534,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"15:15","end":"16:36","startHours":15.248615225673301,"endHours":16.594500904886072,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:41","end":"10:03","startHours":9.685621084927192,"endHours":10.044523932717263,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:37","end":"07:55","startHours":7.62192971013428,"endHours":7.909051988366337,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:12","end":"12:55","startHours":12.197941019457692,"endHours":12.915746715037836,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:44","end":"06:27","startHours":5.737689759236403,"endHours":6.455495454816547,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:17","end":"07:10","startHours":6.276044030921511,"endHours":7.17330115039669,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:21","end":"15:04","startHours":14.351358106198123,"endHours":15.069163801778267,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:44","end":"18:08","startHours":17.74038658409884,"endHours":18.140386584098838,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:56","end":"18:23","startHours":17.94038658409884,"endHours":18.389015143836428,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:41","end":"19:26","startHours":17.69038658409884,"endHours":19.44038658409884,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:12","end":"00:55","startHours":24.19794101945769,"endHours":24.915746715037837,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"07:10","end":"08:31","startHours":7.17330115039669,"endHours":8.51918682960946,"quality":"inauspicious"},{"name":"Chala","start":"08:31","end":"09:52","startHours":8.51918682960946,"endHours":9.865072508822227,"quality":"neutral"},{"name":"Labha","start":"09:52","end":"11:13","startHours":9.865072508822227,"endHours":11.210958188034997,"quality":"auspicious"},{"name":"Amṛta","start":"11:13","end":"12:33","startHours":11.210958188034997,"endHours":12.556843867247764,"quality":"auspicious"},{"name":"Kāla","start":"12:33","end":"13:54","startHours":12.556843867247764,"endHours":13.902729546460534,"quality":"inauspicious"},{"name":"Śubha","start":"13:54","end":"15:15","startHours":13.902729546460534,"endHours":15.248615225673301,"quality":"auspicious"},{"name":"Roga","start":"15:15","end":"16:36","startHours":15.248615225673301,"endHours":16.594500904886072,"quality":"inauspicious"},{"name":"Udveg","start":"16:36","end":"17:56","startHours":16.594500904886072,"endHours":17.94038658409884,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"17:56","end":"19:36","startHours":17.94038658409884,"endHours":19.59450090488607,"quality":"auspicious"},{"name":"Roga","start":"19:36","end":"21:15","startHours":19.59450090488607,"endHours":21.2486152256733,"quality":"inauspicious"},{"name":"Udveg","start":"21:15","end":"22:54","startHours":21.2486152256733,"endHours":22.902729546460534,"quality":"inauspicious"},{"name":"Chala","start":"22:54","end":"00:33","startHours":22.902729546460534,"endHours":24.556843867247764,"quality":"neutral"},{"name":"Labha","start":"00:33","end":"02:13","startHours":24.556843867247764,"endHours":26.210958188034994,"quality":"auspicious"},{"name":"Amṛta","start":"02:13","end":"03:52","startHours":26.210958188034994,"endHours":27.865072508822227,"quality":"auspicious"},{"name":"Kāla","start":"03:52","end":"05:31","startHours":27.865072508822227,"endHours":29.51918682960946,"quality":"inauspicious"},{"name":"Śubha","start":"05:31","end":"07:10","startHours":29.51918682960946,"endHours":31.17330115039669,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"07:10","end":"08:10","startHours":7.17330115039669,"endHours":8.17330115039669,"planetary_lord":"Sun"},{"name":"Hora 2","start":"08:10","end":"09:10","startHours":8.17330115039669,"endHours":9.17330115039669,"planetary_lord":"Mars"},{"name":"Hora 3","start":"09:10","end":"10:10","startHours":9.17330115039669,"endHours":10.17330115039669,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"10:10","end":"11:10","startHours":10.17330115039669,"endHours":11.17330115039669,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"11:10","end":"12:10","startHours":11.17330115039669,"endHours":12.17330115039669,"planetary_lord":"Moon"},{"name":"Hora 6","start":"12:10","end":"13:10","startHours":12.17330115039669,"endHours":13.17330115039669,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"13:10","end":"14:10","startHours":13.17330115039669,"endHours":14.17330115039669,"planetary_lord":"Venus"},{"name":"Hora 8","start":"14:10","end":"15:10","startHours":14.17330115039669,"endHours":15.17330115039669,"planetary_lord":"Sun"},{"name":"Hora 9","start":"15:10","end":"16:10","startHours":15.17330115039669,"endHours":16.17330115039669,"planetary_lord":"Mars"},{"name":"Hora 10","start":"16:10","end":"17:10","startHours":16.17330115039669,"endHours":17.17330115039669,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"17:10","end":"18:10","startHours":17.17330115039669,"endHours":18.17330115039669,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"18:10","end":"19:10","startHours":18.17330115039669,"endHours":19.17330115039669,"planetary_lord":"Moon"},{"name":"Hora 13","start":"19:10","end":"20:10","startHours":19.17330115039669,"endHours":20.17330115039669,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"20:10","end":"21:10","startHours":20.17330115039669,"endHours":21.17330115039669,"planetary_lord":"Venus"},{"name":"Hora 15","start":"21:10","end":"22:10","startHours":21.17330115039669,"endHours":22.17330115039669,"planetary_lord":"Sun"},{"name":"Hora 16","start":"22:10","end":"23:10","startHours":22.17330115039669,"endHours":23.17330115039669,"planetary_lord":"Mars"},{"name":"Hora 17","start":"23:10","end":"00:10","startHours":23.17330115039669,"endHours":24.17330115039669,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"00:10","end":"01:10","startHours":24.17330115039669,"endHours":25.17330115039669,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"01:10","end":"02:10","startHours":25.17330115039669,"endHours":26.17330115039669,"planetary_lord":"Moon"},{"name":"Hora 20","start":"02:10","end":"03:10","startHours":26.17330115039669,"endHours":27.17330115039669,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"03:10","end":"04:10","startHours":27.17330115039669,"endHours":28.17330115039669,"planetary_lord":"Venus"},{"name":"Hora 22","start":"04:10","end":"05:10","startHours":28.17330115039669,"endHours":29.17330115039669,"planetary_lord":"Sun"},{"name":"Hora 23","start":"05:10","end":"06:10","startHours":29.17330115039669,"endHours":30.17330115039669,"planetary_lord":"Mars"},{"name":"Hora 24","start":"06:10","end":"07:10","startHours":30.17330115039669,"endHours":31.17330115039669,"planetary_lord":"Jupiter"}],"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","Mithuna","Siṃha","Vṛścika","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Karka","Kanyā","Tulā","Makara","Kumbha"]},"dishaShool":"West (Paścim)","chandraVasa":"South","rahuVasa":"North-East","anandadiYoga":{"name":"Dhvānkṣa","quality":"Inauspicious"},"tropicalRitu":"Śiśira (Winter) (tropical)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-18.135625072042316,"eotMinutes":-12.974632034865841,"ayanamsa":26.3825}},"calendars":{"vikram_samvat":2238,"vikram_samvatsara":"Jaya","saka_samvat":2103,"saka_samvatsara":"Vṛṣa","bengali_samvat":1588,"malayalam_era":1357,"nanakshahi_year":712,"lunar_month":"Pauṣa","lunar_month_paksha_full":"Pauṣa Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Pauṣa","lunar_month_amanta":"Pauṣa","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Makara (Tai)","ritu":"Hemanta (Pre-winter)","display_summary":"Pauṣa Śukla Trayodaśī · Vikram 2238 Jaya · Śaka 2103 Vṛṣa"},"festivals":[{"id":"pradosha-vrata","name":"Pradoṣa Vrata","name_sanskrit":"प्रदोष व्रत","tradition":"Shaiva","associated_deity":"Śiva","significance":"Twilight worship of Śiva on Trayodaśī.","vrata":true,"detection":{"any_of":[{"tithi_number":13},{"tithi_number":28}]},"precedence":7}],"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":[]},"validity":{"eternal":false,"location_specific":"noida"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga January 28, 2181 CE · Noida, Uttar Pradesh · Vidhyamitra","description":"January 28, 2181 CE for Noida, Uttar Pradesh: Śukla Trayodaśī, sūryodaya 07:10, sūryāsta 17:56.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/noida/2181-01-28","hreflang_alternates":{"en":"https://vidhyamitra.com/city/noida/2181-01-28","sa":"https://sa.vidhyamitra.com/city/noida/2181-01-28","hi":"https://hi.vidhyamitra.com/city/noida/2181-01-28","x-default":"https://vidhyamitra.com/city/noida/2181-01-28"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-03T13:09:09.094Z","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":"2026-06-03T13:09:09.094Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-03T13:09:09.094Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}